Season 10

Guest Stars:

Patrick Dempsey, P!nk, Gabby Douglas, McKayla Maroney, Kyla Ross

Guest Stars:

Simon Cowell, Britney Spears

Guest Stars:

Allison Janney, Reese Witherspoon

Guest Stars:

Katy Perry

Guest Stars:

Justin Bieber

Guest Stars:

Kellie Pickler, Bethenny Frankel, Chehon Wespi-Tschopp, Cyrus Spencer, Tiffany Maher

Guest Stars:

Clint Eastwood, Pattie Mallette, Carly Rae Jepsen

Guest Stars:

Michael J. Fox, L.A. Reid, PSY

Guest Stars:

Amy Poehler, Ricky Gervais

Guest Stars:

Dennis Quaid, Jenna Dewan

Guest Stars:

Pamela Anderson, Viola Davis

Guest Stars:

Zooey Deschanel, Maggie Elizabeth Jones

Guest Stars:

Kerry Washington, Joseph Gordon-Levitt

Guest Stars:

Jennifer Garner, Dwight Howard

Guest Stars:

Selena Gomez, Kobe Bryant

Guest Stars:

Liam Neeson, Gilles Marini, Peta Murgatroyd, Cher Lloyd

Guest Stars:

Rob Thomas

Guest Stars:

Eric Dane, Mike Sorrentino, Pauly D., Ronnie Ortiz-Magro, Vinny Guadagnino

Guest Stars:

Zac Efron, Ed Sheeran, Rebel Wilson

Guest Stars:

Cheryl Hines, Winona Ryder

Guest Stars:

Colin Farrell

Guest Stars:

Matthew Perry, Justin Bartha

Guest Stars:

Eric Stonestreet, Rachel Maddow, Joshua Radin

Guest Stars:

Octavia Spencer

Guest Stars:

Kate Walsh, Mike Epps

Guest Stars:

Joel McHale

Guest Stars:

D.L. Hughley, Kym Douglas, Emma Watson

Guest Stars:

Matthew Fox, Ellie Goulding

Guest Stars:

Nicole Richie, Nina Conti

Guest Stars:

Jessica Lange, Beth Behrs, Hunter Hayes

Guest Stars:

LL Cool J, Jerry O'Connell, Portia De Rossi

Guest Stars:

Helen Hunt

Guest Stars:

Taylor Swift

Guest Stars:

Halle Berry

Guest Stars:

Madonna

Guest Stars:

Steve Harvey, Macklemore

Guest Stars:

Jane Lynch

Guest Stars:

Emmitt Smith, Cheryl Burke

Guest Stars:

Jenna Fischer, Denzel Washington, Luke Bryan

Guest Stars:

Julie Bowen, Peter Facinelli, Elizabeth Reaser

Guest Stars:

Heidi Klum, Nikki Reed, Mackenzie Foy

Guest Stars:

Bethenny Frankel, Russell Brand

Guest Stars:

Miley Cyrus, Maggie Grace, Jackson Rathbone

Guest Stars:

Robert Pattinson, Taylor Lautner, Kirstie Alley

Guest Stars:

Jennifer Hudson, Adam Levine

Guest Stars:

Andrew Garfield, Alison Eastwood, Ne-Yo

Guest Stars:

Rihanna

Guest Stars:

Keira Knightley, Zayn Malik, Liam Payne, Louis Tomlinson, Niall Horan

Guest Stars:

Vanessa Williams, Jason Aldean

Guest Stars:

Alyson Hannigan

Guest Stars:

Kelly Clarkson, Jesse Tyler Ferguson

Guest Stars:

Jennifer Lawrence

Guest Stars:

Ray Romano, Stephen 'tWitch' Boss

Guest Stars:

Ellen Pompeo, Jason Sudeikis

Guest Stars:

Jane Lynch, Khloé Kardashian, Damian Lewis

Guest Stars:

Tim Allen, Adam Levine, Kunal Nayyar

Guest Stars:

Kevin Pollak, Wanda Sykes

Guest Stars:

Jessica Biel, Damon Wayans Jr.

Guest Stars:

Gerard Butler, Giada De Laurentiis, Martha Plimpton

Guest Stars:

John Travolta, Mario López, Olivia Newton-John

Guest Stars:

Drew Barrymore, Cory Monteith

Guest Stars:

Christina Aguilera

Guest Stars:

Nathan Lane, Fergie

Guest Stars:

Naomi Watts, J.R. Martinez

Guest Stars:

Howie Mandel, Tom Shadyac, Idina Menzel

Guest Stars:

Usher, Amanda Seyfried

Guest Stars:

Justin Bieber, Hugh Jackman

Guest Stars:

Anne Hathaway, Cee Lo Green

Guest Stars:

Bradley Cooper, Bruno Mars

Guest Stars:

Bethenny Frankel, Megan Fox, Eddie Redmayne

Guest Stars:

Jamie Foxx, Zayn Malik, Liam Payne, Louis Tomlinson, Niall Horan

Guest Stars:

Alison Sweeney, Allen Stone

Guest Stars:

Sarah Hyland, Timothy Olyphant, Justin Flom

Guest Stars:

Courteney Cox, Kevin Hart

Guest Stars:

Kaley Cuoco, Padma Lakshmi

Guest Stars:

Bethenny Frankel, Ricky Gervais, Kevin Nealon

Guest Stars:

Emma Stone, Common

Guest Stars:

Jimmy Kimmel

Guest Stars:

Keith Urban, Savannah Guthrie

Guest Stars:

Nicki Minaj

Guest Stars:

Jennifer Lopez, Kyle Chandler

Guest Stars:

Mark Wahlberg, Josh Hopkins

Guest Stars:

Macklemore, Chris Kluwe

Guest Stars:

Chris Colfer

Guest Stars:

Michael Chiklis

Guest Stars:

NeNe Leakes

Guest Stars:

Kristen Bell, Cedric the Entertainer

Guest Stars:

Jude Law

Guest Stars:

Sean Hayes, Jillian Michaels

Guest Stars:

Sally Field, Quvenzhané Wallis

Guest Stars:

Catherine Zeta-Jones, Nicholas Hoult

Guest Stars:

Ryan Seacrest

Guest Stars:

Chris Tucker, Nolan Gould

Guest Stars:

Kiefer Sutherland

Guest Stars:

Tim McGraw, Naomi Campbell

Guest Stars:

Melissa McCarthy, Jacki Weaver

Guest Stars:

Emeli Sandé

Guest Stars:

Sophia Grace Brownlee, Rosie McClelland, Ewan McGregor

Guest Stars:

David Spade

Guest Stars:

Al Gore, Michelle Obama, Bruno Mars

Guest Stars:

Mila Kunis, Tegan Quin, Sara Quin

Guest Stars:

Sofía Vergara, Josh Groban

Guest Stars:

Josh Duhamel, Alicia Keys, Bethenny Frankel

Guest Stars:

Chelsea Handler

Guest Stars:

Dennis Quaid, Snooki, JWoww

Guest Stars:

Wanda Sykes, Kym Douglas, Kate Upton

Guest Stars:

Wolfgang Puck, Russell Brand

Guest Stars:

Kate Walsh, Steve Harvey

Guest Stars:

Felicity Huffman

Guest Stars:

Randy Jackson, Cameron Mathison

Guest Stars:

Colin Farrell, Steve Spangler

Guest Stars:

Zach Braff, Laurie Holden, Chris Mann

Guest Stars:

Bonnie Raitt, Mark Wahlberg, Sean Combs

Guest Stars:

Ellie Kemper, Rico Rodriguez

Guest Stars:

Salma Hayek Pinault, Kellan Lutz

Guest Stars:

Jessica Simpson, Jimmie Johnson

Guest Stars:

Howie Mandel, Dave Grohl

Guest Stars:

Steve Carell, Emily VanCamp

Guest Stars:

Jessica Alba, Scott Foley

Guest Stars:

Sophia Grace Brownlee, Rosie McClelland, Selena Gomez

Guest Stars:

Sophia Grace Brownlee, Rosie McClelland, Vince Vaughn

Guest Stars:

Sophia Grace Brownlee, Rosie McClelland

Guest Stars:

Shakira, Bethenny Frankel

Guest Stars:

Demi Lovato, Kerry Washington

Guest Stars:

Robin Thicke, Sophia Grace Brownlee, Rosie McClelland, Chris Pine

Guest Stars:

Hayden Panettiere, Sophia Grace Brownlee, Rosie McClelland

Guest Stars:

Owen Wilson, Bridgit Mendler

Guest Stars:

Sophia Grace Brownlee, Rosie McClelland, Vince Vaughn

Guest Stars:

Sophia Grace Brownlee, Rosie McClelland, Wendy Williams