4x13 - Katharine McPhee

January 25, 2010

4x14 - Jill Scott

January 26, 2010

4x15 - Dax Shepard

January 27, 2010

4x16 - Staff Book Club

January 28, 2010

4x17 - Camila Alves

February 1, 2010

4x18 - Andy Whitfield

February 2, 2010

4x19 - Shorty Rossi

February 3, 2010

4x20 - Julie Benz

February 4, 2010

4x21 - Ozzy Osbourne

February 8, 2010

4x22 - Amanda Seyfried

February 9, 2010

4x23 - Dave Salmoni

February 10, 2010

We're beyond pleased to welcome back our animal guy Dave Salmoni and his new animal friends. Comedian Jo Koy, comedian Christina Pazsitzky and comedian Mo Mandel.

4x24 - Channing Tatum

February 12, 2010

4x25 - Kate Flannery

February 15, 2010

We get down to business with The Office's Kate Flannery. Comedian Loni Love, comedian Dan Levy and comedian Whitney Cummings.

4x26 - Jackie Collins

February 16, 2010

Things get really scandalous when author Jackie Collins stops by with her new book, Poor Little Bitch Girl. Comedian Chris Hardwick, comedian Jen Kirkman and comedian Jo Koy.

4x27 - Lisa Edelstein

February 17, 2010

Lisa Edelstein from House is back again...Wait, so who's running Princeton Plainsboro? Comedian Josh Wolf, comedian Heather McDonald and comedian Ryan Stout.

4x28 - Eli Roth

February 18, 2010

4x29 - Keshia Knight Pulliam

February 22, 2010

House of Payne's Keshia Knight Pulliam is one hard working lady; Dr. Huxtable would be so proud. Comedian Loni Love, TV personality Rove McManus and comedian Michelle Collins

4x30 - Danica Patrick

February 23, 2010

We're pretty thrilled that Danica Patrick makes a pit stop over at Chelsea Lately today. Comedian Josh Wolf, comedian Whitney Cummings and comedian Jo Koy.

4x31 - Radha Mitchell

February 24, 2010

Things might get wild with Radha Mitchell star of the new thrilling horror movie The Crazies. Comedian John Caparulo, comedian Bill Bellamy and actress-comedian Arden Myrin.

4x32 - Parker Posey

February 25, 2010

The Chelsea Lately cast do a Kardashian skit. Comedian Brad Wollack, comedian Natasha Leggero and comedian Ben Gleib.

4x33 - Sean William Scott

March 1, 2010

From the new movie Cop Out we've got Seann William Scott in our custody today. Comedian Chris Hardwick and Comedians Randy and Jason Sklar.

4x34 - Kendra & Hank Baskett

March 2, 2010

Kendra and Hank Baskett are here to tell us all about the spellbinding new season of Kendra. E!'s own Michael Yo, comedian Sarah Colonna and comedian Jo Koy.

4x35 - Single Staffers, Handler Edition

March 3, 2010

Please enjoy a very special Handler Edition of Single Staffers. Comedian Matt Bruanger, comedian Heather McDonald and comedian Moshe Kasher.

4x36 - Gabourey Sidibe

March 4, 2010

From Precious, the Academy Award-nominated Gabourey Sidibe is here. TV personality Ross Mathews, comedian Christina Pazsitzky and comedian Guy Branum.

4x37 - Kevin McKidd

March 8, 2010

Someone got some time away from the O.R., Grey's Anatomy's Kevin McKidd is here. Comedian John Caparulo, comedian Arden Myrin and comedian Chris Franjola.

4x38 - Chelsea Chelsea Bang Bang

March 9, 2010

Chelsea Chelsea Bang Bang is in stores now...You're welcome, everyone. Comedian Brad Wollack, comedian Natasha Leggero and comedian Ben Gleib.

4x39 - Amy Ryan

March 10, 2010

Chelsea Chelsea Bang Bang is in stores now...You're welcome, everyone. Comedian Brad Wollack, comedian Natasha Leggero and comedian Ben Gleib.

4x40 - Pretty Wild Cast

March 11, 2010

Alexis Neiers, Gabrielle Neiers and Tess Taylor are here from their aptly titled new series on E! Pretty Wild. Comedian Brad Wollack, comedian Dan Levy and comedian Josh Wolf.

4x41 - Shenae Grimes

March 15, 2010

90210's Shenae Grimes is here to give us the deets on all things West Beverly. Comedian Bobby Lee, comedian T.J. Miller and comedian Whitney Cummings.

4x42 - Rachael Harris

March 16, 2010

From the highly anticipated Diary of a Wimpy Kid, the purely entertaining Rachael Harris is here. Comedian Jo Koy, comedian Loni Love and comedian Josh Wolf.

4x43 - Avril Lavigne

March 17, 2010

We catch up with Avril Lavigne, who sings "Alice," the title song from Tim Burton's Alice in Wonderland. Comedian Sarah Colonna, comedian/TV host Rove McManus and comedian Mo Mandel.

4x44 - Duane "Dog" Chapman

March 18, 2010

We're so thrilled to welcome the author of Where Mercy Is Shown, Mercy Is Given, Dog the Bounty Hunter. Comedian John Caparulo, comedian Heather McDonald and TV personality Ross Mathews.

4x45 - Kelly Cutrone

March 22, 2010

4x46 - Scott Wolf

March 23, 2010

4x47 - Crispin Glover

March 24, 2010

4x48 - Blake Shelton

March 25, 2010

4x49 - Ludacris

March 29, 2010

Ludacris is back with his new album Battle of the Sexes and this time he's bringing drinks. Comedian Ben Gleib, comedian Natasha Leggero and comedian Guy Branum.

4x50 - Johnny Weir

March 30, 2010

Johnny Weir is here, and unfortunately our show is not "on ice" this week. Comedian Jo Koy, comedian Lil JJ and comedian Sarah Colonna.

4x51 - Erykah Badu

March 31, 2010

4x52 - Justin Bieber

April 1, 2010

Chuy Bravo wrote a book, Little Nuggets of Wisdom, and he's here to share them. This, BTW, is all 100 percent for real, for real, girl. Comedian Heather McDonald, comedians Randy & Jason Sklar.

4x53 - Jennifer Love Hewitt

April 5, 2010

Author of The Day I Shot Cupid, Jennifer Love Hewitt is here. Comedian Brad Wollack, E!'s own Michael Yo and Comedian Mo Mandel,

4x54 - Ed Asner

April 6, 2010

Find out how spunky Chelsea can really be when TV Icon and star of Up Ed Asner stops by. Comedian Josh Wolf, comedian Loni Love and comedian Wil Anderson.

4x55 - Blake MyCoskie

April 7, 2010

Things get real philanthropic up in here with Tom's Shoes founder Blake Mycoskie. Comedian Greg Behrendt, comedian Jen Kirkman and comedian Matt Braunger.

4x56 - Taraji P. Henson

April 8, 2010

From the highly anticipated movie Date Night, the Academy Award-nominated Taraji P. Henson is here. Comedian Chris Franjola, comedian Chris Hardwick, TV personality Ross Mathews.

4x57 - Tiny & Toya

April 12, 2010

From BET's Tiny & Toya, BFFs Tiny & Toya are here. Comedian Whitney Cummings, actress Cloris Leachman and TV personality Ross Mathews.

4x58 - Our 500th Episode

April 13, 2010

Come celebrate a real milestone at Chelsea Lately—tonight's our 500th episode! Comedian Jo Koy, comedian Sarah Colonna and comedian Josh Wolf.

4x59 - Dave Salmoni

April 14, 2010

Resident animal expert Dave Salmoni is back with some hopefully furry friends. Comedian Dan Levy, comedian Arden Myrin and comedian Lavell Crawford.

4x60 - Erin Andrews & Maksim Chmerkovskiy

April 15, 2010

Dancing With the Stars' hottest couple Erin Andrews and Maksim Chmerkovskiy. Comedian John Caparulo, comedian Heather McDonald and comedian Donnell Rawlings.

4x61 - Gretchen Wilson

April 19, 2010

4x62 - Amy & Matt Roloff

April 20, 2010

4x64 - Ted Allen

April 22, 2010

4x65 - Michael Weatherly

April 26, 2010

4x66 - Jerry Weintraub

April 27, 2010

4x67 - Jeffrey Dean Morgan

April 28, 2010

4x68 - Brooke Shields

April 29, 2010

4x69 - Molly Ringwald

May 3, 2010

4x70 - Busy Philipps

May 4, 2010

4x71 - Monica

May 5, 2010

4x72 - Michael Lewis

May 6, 2010

4x73 - Amanda Seyfried

May 10, 2010

4x74 - Laura Bell Bundy

May 11, 2010

4x75 - Asian Singles with Jo Koy

May 13, 2010

4x76 - Carson Kressley

May 17, 2010

4x77 - Bradley Whitford

May 18, 2010

4x78 - Marisa Miller

May 19, 2010

4x79 - Mary Lynn Rajskub

May 20, 2010

4x80 - Damon Wayans

May 24, 2010

4x81 - James Van Praagh

May 25, 2010

4x82 - Judge Lately

May 26, 2010

4x83 - Tim Roth

May 31, 2010

4x84 - Zach Gilford

June 1, 2010

4x85 - Snoop Dogg and Mike Epps

June 2, 2010

4x86 - Justin Halpern

June 3, 2010

The man behind all things Shit My Dad Says, Justin Halpern is here. Comedian Bobby Lee, comedian Jen Kirkman and comedian Dov Davidoff.

4x87 - Colin Hanks

June 7, 2010

Tonight we welcome Colin Hanks, one of The Good Guys from the new Fox drama. Comedian Heather McDonald, comedian Randy Sklar and musician Jeff Wild.

4x88 - Clay Aiken

June 8, 2010

Clay Aiken is here, seriously, with his new CD Tried and True. Comedian Ben Gleib, comedian Loni Love and Comedian Gary Valentine.

4x89 - Holly Madison

June 9, 2010

Holly Madison is back with her new show Holly's World. Comedian Chris Hardwick, comedian Guy Branum and actress-comedian Arden Myrin.

4x90 - Stephen Moyer

June 10, 2010

True Blood is returning and Stephen Moyer is here, so get excited...or scared?! I'm not really sure. Comedian Jo Koy, comedian Eric Price and comedian Chris Franjola.

4x91 - Denis Leary

June 14, 2010

Star of all things Rescue Me the hilarious Denis Leary is here. Comedian Steve Marmalstein, comedian Natasha Leggero and TV personality Ross Mathews.

4x92 - Sarah McLachlan

June 15, 2010

We're getting a little Lilith tonight when Sarah McLachlan stops by and talks her new album, Laws of Illusion. Comedian Jo Koy, E!'s own Michael Yo and comedian Sarah Colonna.

4x93 - Lil Jon

June 16, 2010

We're getting crunk with Lil Jon and his new album Crunk Rock…YEAAAAHHHH! Comedian John Caparulo, comedian Christina Pazsitzky and comedian Josh Wolf.

4x94 - Roy Handler & Charley

June 17, 2010

Learn how to make cupcakes with Roy and Charley tonight. Comedian Brad Wollack, comedian Dan Levy and comedian Bobby Lee.

4x95 - A.J. Khubani

June 21, 2010

Learn about the borderline amazing new As Seen on TV Products with A.J. Khubani. Comedian Chris Franjola, comedian Whitney Cummings and comedian Finesse Mitchell.

4x96 - Mary McCormack

June 22, 2010

Star of In Plain Sight Mary McCormack graces us with her presence. Comedian Joe DeRosa, comedian Heather McDonald and comedian Josh Wolf.

4x97 - Ron Artest

June 23, 2010

Comedian Matt Braunger, comedian Moshe Kasher and comedian Guy Branum. Lakers champ Ron Artest tries to get into Chelsea's pants and chats about his NBA win. Plus, hear about his budding music career!

4x98 - Ashley Greene

June 24, 2010

Actress Ashley Greene on her new movie, "The Twilight Saga: Eclipse"; Round table discussion with comics Mo Mandel, Arden Myrin, and Ross Mathews.

4x99 - T.I.

June 28, 2010

Rapper T.I. on his new album, "King Uncaged"; Round table discussion with comics Sarah Colonna, Jamie Kaler, and Josh Wolf.

4x100 - Bryce Dallas Howard

June 29, 2010

From the most-anticipated movie in the country, Eclipse, Bryce Dallas Howard is here. Comedian Brad Wollack, comedian John Caparulo and comedian Christina Pazsitzky

4x101 - Joe's Crab Shack

June 30, 2010

Check out Chuy as the new spokesperson for Joe's Crab Shack...You're welcome crabs. Comedian Bobby Lee, comedian Jo Koy and comedian Ben Gleib

4x102 - Sam Trammell

July 1, 2010

True Blood's favorite shapeshifter Sam Trammell is back. Comedian Bobby Lee, comedian Jo Koy and comedian Ben Gleib

4x103 - Claire Smith

July 5, 2010

Learn about the summer's best drinks with Belvedere's Claire Smith. Comedian Jason Sklar, comedian Natasha Leggero and comedian Gary Valentine

4x104 - Pharrell

July 6, 2010

Pharrell does a lot, like producing the soundtrack and composing the score for Despicable Me. Comedian Jo Koy, comedian Whitney Cummings and TV personality Ross Mathews.

4x105 - Kristin Cavallari

July 8, 2010

Kristin Cavallari is here and has all the info you're dying to know about the final season of The Hills. Comedian Chris Hardwick, comedian Heather McDonald and comedian Dov Davidoff

4x106 - Dave Salmoni

July 19, 2010

Canadian animal trainer Dave Salmoni on his new show, "Savaged with Dave Salmoni"; Round table discussion with comics Jason Sklar, Natasha Leggero, and Gary Valentine.

4x107 - Susan Sarandon

July 20, 2010

Actress Susan Sarandon on her upcoming reality ping-pong series; Round table discussion with comics Jo Koy, Ben Gleib, and Brad Wollack.

4x108 - Anna Paquin

July 21, 2010

Sink your teeth into this: tonight we welcome Anna Paquin from HBO's True Blood. Rapper Lil John, rapper Big Boi and rapper Rick Ross.

4x109 - Arsenio Hall

July 22, 2010

Dust off your fists, girls, because Arsenio Hall is in the house. Comedian Chris Franjola, comedian Christina Pazsitzky and TV personality Ross Mathews

4x110 - Frank Grillo

July 26, 2010

Actor Frank Grillo on his show, "The Gates"; Round table discussion with comics Loni Love, Josh Wolf, and Greg Proops.

4x111 - Kathy Griffin

July 27, 2010

Comedian Kathy Griffin on her show, "Kathy Griffin: My Life on the D-List"; Round table discussion with comics Jo Koy, Michael Yo, and Whitney Cummings.

4x112 - Chicken Charlie

July 28, 2010

Fry cook Chicken Charlie discusses frying food; Round table discussion with comics Chris Hardwick, Heather McDonald, and Rove McManus.

4x113 - Ron Livingston

July 29, 2010

Actor Ron Livingston on his new film, "Dinner with Schmucks"; Round table discussion with comics Ross Mathews, Sarah Colonna, Guy Branum.