Pink, Patrick Dempsey, Gabrielle Douglas, McKayla Maroney, Kyla Ross
Britney Spears, Simon Cowell
Dave Matthews Band, Allison Janney, Reese Witherspoon
Katy Perry, Little Big Town
Justin Bieber, Phillip Phillips
Bethenny Frankel, Kellie Pickler, the top four from "So You Think You Can Dance"
Clint Eastwood, Pattie Mallette, Carly Rae Jepsen
Michael J. Fox, L.A. Reid, PSY
Amy Poehler, Ricky Gervais
Dennis Quaid, Jenna Dewan-Tatum
Viola Davis, Pamela Anderson
Zooey Deschanel, Maggie Elizabeth Jones, No Doubt
Joseph Gordon-Levitt, Kerry Washington, No Doubt
Jennifer Garner, Dwight David Howard, Green Day
Selena Gomez, Kobe Bryant, the Killers
Liam Neeson, Gilles Marini & Peta Murgatroyd, Cher Lloyd
Matchbox Twenty
Eric Dane, Mike "The Situation" Sorrentino, Paul "Pauly D" DelVecchio, Ronnie Ortiz-Magro, Vinny Guadagnino, OneRepublic
Zac Efron, Rebel Wilson, Ed Sheeran
Winona Ryder, Cheryl Hines
Colin Farrell
Matthew Perry, Justin Bartha
Eric Stonestreet, Rachel Maddow, Joshua Radin
Octavia Spencer
Kate Walsh, Mike Epps, Anthony Robles
Joel McHale
Emma Watson, Kym Douglas, D.L. Hughley, the Wallflowers
Matthew Fox, Ellie Goulding
Nicole Richie, Nina Conti
Jessica Lange, Beth Behrs, Hunter Hayes
Portia De Rossi, Jerry O'Connell, LL Cool J, Victoria Jackson & Ali Guthy
Helen Hunt
Taylor Swift
Halle Berry
Madonna
Steve Harvey, Macklemore & Ryan Lewis
Jane Lynch
Emmitt Smith, Cheryl Burke
Denzel Washington, Jenna Fischer, Luke Bryan
Julie Bowen, Peter Facinelli, Elizabeth Reaser
Model Heidi Klum; actresses Nikki Reed and Mackenzie Foy
Actor Russell Brand; reality star Bethenny Frankel
Actress Miley Cyrus; actors Maggie Grace and Jackson Rathbone
Actors Robert Pattinson and Taylor Lautner; actress Kirstie Alley
Adam Levine, Jennifer Hudson, Maroon 5
Actor Andrew Garfield; reality-TV stars Alison Eastwood and Donald Schultz; Ne-Yo performs.
Singer Rihanna; Blue Man Group performs.
Actress Keira Knightley; One Direction performs at an outdoor concert.
Actress Vanessa Williams; Jason Aldean performs.
Alyson Hannigan
Actor Jesse Tyler Ferguson; an interview and performance by Kelly Clarkson
Actress Jennifer Lawrence.
Actor Ray Romano; dancer Stephen ''tWitch'' Boss; Cirque du Soleil's Kiriki act perform.
Ellen Pompeo, Jason Sudeikis, Miguel
Khloe Kardashian, Damian Lewis, Jane Lynch
Tim Allen, Kunal Nayyar, Maroon 5
Wanda Sykes, Kevin Pollak
Jessica Biel, Damon Wayans Jr.
Gerard Butler, Giada De Laurentiis, Martha Plimpton
John Travolta, Olivia Newton-John, Mario Lopez
Drew Barrymore, Cory Monteith
Christina Aguilera
Fergie, Nathan Lane
Naomi Watts, J.R. Martinez
Howie Mandel, Tom Shadyac, Idina Menzel
Amanda Seyfried, Usher
Hugh Jackman, Justin Bieber
Anne Hathaway, Cee-Lo Green
Bradley Cooper, Bruno Mars
Megan Fox, Eddie Redmayne, Bethenny Frankel
Jamie Foxx, Rosemarie DeWitt, One Direction
Alison Sweeney, Allen Stone
Timothy Olyphant, Sarah Hyland, Justin Flom
Courteney Cox, Kevin Hart
Kaley Cuoco, Padma Lakshmi
Bethenny Frankel, Ricky Gervais, Kevin Nealon
Emma Stone, Common
Jimmy Kimmel
Keith Urban, Savannah Guthrie
Nicki Minaj
Jennifer Lopez, Kyle Chandler, Phillip Phillips
Mark Wahlberg, Josh Hopkins
Chris Kluwe, Macklemore & Ryan Lewis
Chris Colfer, Paul
Michael Chiklis
Simon Baker, NeNe Leakes
Kristen Bell, Cedric the Entertainer
Jude Law, Blind Pilot
Sean Hayes, Jillian Michaels
Sally Field, Quvenzhane Wallis
Catherine Zeta-Jones, Nicholas Hoult
Ryan Seacrest
Chris Tucker, Nolan Gould
Kiefer Sutherland
Naomi Campbell, Tim McGraw
Melissa McCarthy, Jacki Weaver
Emeli Sande
Ewan McGregor, Sophia Grace & Rosie
David Spade, The Lumineers
Michelle Obama, Al Gore, Bruno Mars
Mila Kunis, Tegan and Sara
Sofia Vergara, Josh Groban
Josh Duhamel, Bethenny Frankel, Alicia Keys
Chelsea Handler
Dennis Quaid, Nicole -Snooki- Polizzi, Jenni -JWoww- Farley
Wanda Sykes, Kate Upton, Kym Douglas
Russell Brand, Wolfgang Puck
Kate Walsh, Steve Harvey
Felicity Huffman
Randy Jackson, Cameron Mathison
Colin Farrell, Steve Spangler
Zach Braff, Laurie Holden, Chris Mann
Mark Wahlberg and Sean "Diddy" Combs, Bonnie Raitt
Ellie Kemper, Rico Rodriguez
Salma Hayek, Kellan Lutz
Jessica Simpson, Jimmie Johnson
Howie Mandel, Dave Grohl
Steve Carell, Emily VanCamp
Jessica Alba, Scott Foley
Josh Duhamel, Bethenny, Alicia Keys
Jennifer Love Hewitt, D.L. Hughley & Cheryl Burke
Joel McHale, Michael Weatherly
Nicolas Cage
John Mayer, Eva Mendes
Bruno Mars, Ted Danson
Matthew Perry, Chris O'Dowd
Kellie Pickler, Giuliana and Bill Rancic
Chris O'Donnell, Aubrey Plaza
Jerry O'Connell, Brad Paisley
Mario Lopez, Kacey Musgraves, Bethenny Frankel
Julia Louis-Dreyfus, The Band Perry
Heidi Klum, Michael Weatherly
Hilary Duff, D.L. Hughley and Cheryl Burke
Selena Gomez, Sophia Grace & Rosie
The Cast of 'Grown Ups 2'!
Jennifer Aniston, Bryce Dallas Howard, Brittany Snow
Jennifer Love Hewitt, Ryan Lochte
Jane Lynch, Kenny Chesney
Diane Keaton, Jon Bon Jovi
Dennis Quaid, Kate McKinnon
An Hour with Justin Timberlake
Gwyneth Paltrow, will.i.am
Vince Vaughn, Sophia Grace & Rosie
LL Cool J
Cher, ‘Long Island Medium’ Theresa Caputo
Alison Sweeney, Michael Buble
Cinco de Mayo Pub Quiz, Ellen Pompeo
Matt Lauer, Sophia Grace & Rosie
Lauren Graham, Lady Antebellum
Harry Connick Jr., Kai Langer
Neil Patrick Harris, Beth Behrs
Mother's Day Show, Shakira, Bethenny Frankel
Kerry Washington, Demi Lovato
Cousins on Call Renovation Revealed!
B Girls and More
Sophia Grace & Rosie, Chris Pine, Robin Thicke
Rob Lowe, Alex O'Loughlin
Ed Helms, and the winner of 'Ellen Here's My Talent'
Sophia Grace & Rosie, Hayden Panettiere
Jennifer Aniston, Portia de Rossi!
Amanda Seyfried, Kevin Nealon
Steve Harvey, Grizzly Bear
Memorial Day with Ellen!
Tyler Perry, Ludacris
Howie Mandel, Usher
Steve Carell, Justin Flom
Wanda Sykes, OneRepublic
Kristen Bell, Joe Manganiello
Amy Adams, Olivia Munn
Owen Wilson, Bridgit Mendler
Will and Jaden Smith!
Sophia Grace & Rosie, Vince Vaughn
Sophia Grace & Rosie, Wendy Williams
Bethenny Frankel, Martin Short
Ellen in Sydney
Ellen in Melbourne
Miley Cyrus, and 'Twilight'!
Shakira, Bethenny Frankel
Kaley Cuoco, Padma Lakshmi, Keone and Mariel Madrid
Jennifer Lopez, Kyle Chandler
Wanda Sykes, Dave Franco
Clint Eastwood, Carly Rae Jepsen and Justin Bieber's mom, Pattie Mallette
Emma Stone and Common
