Regis Philbin, John Rendall and Ace Bourke

Adrian Grenier; Niecy Nash; guest co-host Chelsea Handler

Nastia Liukin; Meghan McCain; Judge Judy Sheindlin

Jamie Lee Curtis, Natalie Cole

Jessica Simpson; Tyler Perry

John McCain and Cindy Hensley McCain

Kim Goldman and Fred Goldman

Tom Bergeron, Michelle Rodriguez, a 1980s fashion show

Charlize Theron; Solange Knowles

Jason Biggs; Dave Stewart

David Schwimmer; Josh Lucas; Leighton Meester

Bill Clinton

Aaron Eckhart, Robert Wagner

Alec Baldwin

Chandra Wilson, Emmy look-alikes

Julianne Moore; Candace Bushnell

Jennifer Hudson; Selena Gomez; Lisa Ling

Bill Maher; Kevin Farley, Robert Davi , Dr. Drew Pinsky

Peter Krause; Diahann Carroll, Miss Piggy

Greg Kinnear

Anne Hathaway; Troy Dunn

Felicity Huffman

Gretchen Mol; Sarah Silverman

Dr. Susan Love, Robin Roberts

Angela Bassett

Maggie Gyllenhaal, Phil Lempert, Tristan Rogers

T.I.

Jim Cramer; Paula Deen; Gabi Wilson

Tony Curtis; David Alan Grier

Ashley Hamilton; George Hamilton

Richard Lewis

• • • • • • • • • "A Day Of Hot Topics"

John Lithgow; Eve

Bill O'Reilly

Debra Messing

Kristin Scott Thomas; Sheryl Underwood

Aretha Franklin

Duffy; Bridget Regan; Richard Dreyfuss

Blair Underwood; Natalie Zea; Pink

Jeremy Piven; Michael Phelps

Halloween

Roger Moore

Ricky Gervais; Mario Cantone; Steve Harvey

• • • • • • • • • • "A Day Of Hot Topics"

Alicia Keys; Amy Brenneman

Season 12, Episode 315

Season 12, Episode 316

Season 12, Episode 317

Season 12, Episode 318

Season 12, Episode 319

Season 12, Episode 321

Season 12, Episode 322

Season 12, Episode 337

Season 12, Episode 339

Season 12, Episode 340

Season 12, Episode 341

Season 12, Episode 342

Season 12, Episode 343

Season 12, Episode 344

Season 12, Episode 345

Season 12, Episode 346

Season 12, Episode 347

Season 12, Episode 348

Season 12, Episode 349

Season 12, Episode 350

Season 12, Episode 351

Season 12, Episode 352

Season 12, Episode 353

Season 12, Episode 354

Season 12, Episode 355

Season 12, Episode 356

Season 12, Episode 357

Season 12, Episode 358

Season 12, Episode 359

Season 12, Episode 360

Season 12, Episode 361

Season 12, Episode 362

Gov. Rod Blagojevich

Liza Minnelli, Padma Lakshmi

Liam Neeson, Jason O'Mara

Dr. Condoleezza Rice

Julianne Moore, Whitney Port, Peter Cincotti

A day of Hot Topics

Paula Deen, Dev Patel

Jane Seymour, Amy Dickinson, Richard Jenkins

Cuba Gooding Jr., Maksim Chmerkovskiy

Molly Ringwald, Shailene Woodley

Diane Sawyer, Mario Cantone's Grammy recap

Joan Rivers, Daniel Dae Kim

Kate Winslet, Jane Krakowski

Miss Piggy, Patti Stanger, Helen Fisher

Clive Owen, Melissa Leo, AIDS expert Jorge Rodriguez

Patricia Arquette, Emily Osment

Cast members from Broadway's "Shrek the Musical"

Bonnie Hunt, Ben Lyons and Ben Mankiewicz

Laurence Fishburne, Lori Klein

Tyler Perry, Keshia Knight Pulliam

Jane Fonda

Tom Jones

Jeff Foxworthy, Labelle

The co-hosts judge their first-ever "Mutt Dog Show"

Rob Lowe, Jason Mesnick

A day of Hot Topics

Marcia Gay Harden

Dr. Phil McGraw, RuPaul

Glenn Close, Rachel Maddow

Jeffrey Dean Morgan, Nathan Fillion

Miley Cyrus, Jimmy Kimmel

Jay Leno, Carrie Ann Inaba, Bruno Tonioli, Len Goodman, Lady GaGa

Patrick Dempsey, Robert Iger

Kyle MacLachlan, Doug Savant, Maurice Benard

Sally Field, Calista Flockhart, Heidi Montag and Spencer Pratt

Jean Chatzky

Gary Sinise, Dr. Drew Pinsky, Jay Mohr

Taye Diggs, Ian McShane, Valentino

Jaime Pressly, Troy Dunn

A day of Hot Topics

Kevin Bacon, Spencer Grammer, the Bacon Brothers

Ray Liotta, Kevin McKidd, the Blind Boys of Alabama

Angela Lansbury, Virginia Madsen, Cheryl Hines

Susan Sarandon, Geoffrey Rush, Carol Leifer

Bill O'Reilly, The Dead

Jonathan Rhys Meyers, Alyssa Milano

Lauren Graham

Mary Tyler Moore, Sean Astin, Craig Shoemaker

Bob Saget, Alexandra Wentworth

Zac Efron, style expert Lloyd Boston

How to Get a Job

Tori Spelling, Bobby Flay

Tom Bergeron, Kristin Chenoweth

Matthew Perry, Tracy Pollan

Dr. Steven Lamm

Sally Quinn, Quinn Bradlee, Candy Spelling, Suzy Welch, Lily Allen

Jeremy Irons, the Clark Sisters

Beyonce, Jim Parsons, guest co-host Meghan McCain

Lil Wayne, Jamie Luner, guest co-host Meghan McCain

A day of Hot Topics

Emily Deschanel, Kim Kardashian, Faith Prince

Marlee Matlin, Harold Perrineau

Rick Warren, Ashley Madison CEO Noel Biderman

Jay Mohr, a performance by the Broadway cast of "9 to 5"

James Carville, Paul Potts

Donald Trump, Ivanka Trump, wrestler MVP

Biz Stone, Evan Williams, Judge Judy Sheindlin, Justin Chambers

Michael J. Fox, Dr. Nancy Snyderman

Kenneth Branagh, Leonard Nimoy, Alyse Myers, John Stossel

Steve Harvey, En Vogue

Melina Kanakaredes, Maya Rudolph

Cheryl Saban, Michael Emerson

Brooke Shields, Neal McDonough

Tom Hanks, Ayelet Zurer, Ron Howard

Jesse Ventura

Elizabeth Edwards

Glenn Beck

Larry King, stars of "Southern Belles: Louisville"

Caroline Manzo, Dina Manzo, Jacqueline Laurita, Sharlene Azam

Wounded soldiers Melissa Stockwell and Ireshekia Henry, Soulja Boy Tellem

Faith Prince

Tyler Florence, Dr. Donnica Moore, The Broadway cast of "Next to Normal"

David Hyde Pierce, Justin Long, Mellody Hobson

Nathan Lane, Bill Irwin

Paris Hilton

Edie Falco, Nia Vardalos, the Broadway cast of "West Side Story"

Vanessa Williams, Claire Shipman

Chandra Wilson, Paula Froelich

Neil Patrick Harris, Lionel Richie

Francis Ford Coppola

Mandy Moore

Kanye West, Stephen Moyer

Melissa Gilbert, Joe Scarborough

Black Eyed Peas

Wrestler MVP, Dr. Larry Norton

Jada Pinkett Smith, food stylist Lauren Costello

Michelle Pfeiffer, Rupert Friend, Shirley Jones, Marty Ingels

Lauren Conrad, Anne Hathaway

George Lopez, Mario Cantone, Lewis Black

Nancy Grace

Maksim Chmerkovskiy, Benjamin Bratt, Warren Boyd

Joan Rivers, designer Michael Smith

Larry David, Evan Rachel Wood, Darius Rucker

John Edward

Larry Miller

Denis Leary, Rob Thomas

Teri Hatcher, beauty expert Marie Czenko Kuechel

Margaret Cho, LL Cool J

Minnie Driver, Tyler Florence

A day of Hot Topics

Jimmy Fallon, Kevin Connolly

Steve Harvey, Daughtry

Thomas Jane, Jane Adams, Bill Engvall, Dr. Donnica Moore

Jeff Daniels, Lauren Graham, Tyler Florence

Charles Gibson

David Hasselhoff, the Script

Tyler Florence

Demi Lovato, Miss USA 2009 Kristen Dalton

Kevin Spacey

Mary Jo Buttafuoco

Jessica Lange, Dr. Gadget

Ashley Tisdale, Hugh Dancy, Rose Byrne, Dr. Timothy Johnson

Seth Rogen, Judd Apatow

Constantine Maroulis, Tyler Florence

Michelle Malkin

Eric Bana

James Brolin, Selena Gomez, David Henrie, Jake T. Austin, the Broadway cast of "Hair"

Regis Philbin

Meryl Streep, Amy Adams, Nora Ephron, Lauren Costello

George Stephanopoulos, Seth Meyers

Dennis.Hopper

Elton John

Alicia.Keys

John.Stamos

Rachael Ray

Hot Topics

Jessica Lange

Teri Hatcher

Nicole Kidman

Randy Jackson

Patricia Heaton

Jeff Goldblum

Harry Connick, Jr

Hugh Jackman

Paula Abdul

Don Rickles

Day of Hot Topics

Dr. Mehmet Oz

Meryl Streep

Keri Russell

Samuel L. Jackson

Hot Topics

Michael Bloomberg

Comedy Theme Show