Guest: Courteney Cox

Guest: Courteney Cox

The Bird & The Bee perform "Love Letter to Japan"

Lily Allen performs "The Fear"
Ellen & Lily sing in the bathroom

Guest: Meryl Streep and Amy Adams ("Doubt")

Guest: Meryl Streep and Amy Adams ("Doubt")

Guest: Hugh Jackman ("Australia")

Guest: Hugh Jackman ("Australia")

Guest: Anne Hathaway ("Bride Wars")

Guest: Anne Hathaway ("Bride Wars")

Guest: Brad Pitt

Guest: Kate Beckinsale ("Nothing But the Truth")

Guest: Kate Winslet ("The Reader" & "Revolutionary Road")

Guest: Kate Winslet ("The Reader" & "Revolutionary Road")

Guest: Kate Winslet ("Revolutionary Road")

Guest: Kate Winslet ("Revolutionary Road")

Guest: Jonas Brothers

Jonas Brothers play Blindfolded Musical Chairs

Guest: Jonas Brothers

Jonas Brothers perform "Love Bug"

A Barbara Walters Special: Patrick Swayze: The Truth -- 01/07/09

A Barbara Walters Special: Patrick Swayze: The Truth -- 01/07/09

A Barbara Walters Special: Patrick Swayze: The Truth -- 01/07/09

A Barbara Walters Special: Patrick Swayze: The Truth -- 01/07/09

A Barbara Walters Special: Patrick Swayze: The Truth -- 01/07/09

Guest: Tom Cruise ("Valkyrie")

Guest: Tom Cruise ("Valkyrie")

Guest: Tom Cruise ("Valkyrie")

The Chippendales for George Clooney

"George is Mine in '09" - George Clooney

"George is Mine in '09" - George Clooney

"George is Mine in '09" - George Clooney

Guest: Jennifer Aniston ("He's Just Not That Into You")

Jennifer & Ellen visit "Friends" old set

Guest: Jennifer Aniston ("Marley & Me")

Guest: Jennifer Aniston ("Marley & Me")

The Fray performs "You Found Me"

Matt Nathanson performs "Come On Get Higher"

John Legend performs "Everybody Knows"

Jason Mraz & Colbie Caillat perform "Lucky"

Robin Thicke performs "Dream world"

Q-Tip performs "Getting Up"

Pink & Butch Walker perform "Here Comes the...";
And Pink & Ellen sing in the bathroom

John Mayer & Ellen sing "Just Dance" in the bathroom

O. A. R. performs "Shattered"

James Morrison performs "Nothing Ever Hurts Like You"

The All-American Rejects perform "Gives You Hell"

T. I. performs "Whatever you like"

Stevie Wonder performs "I Wish"

Stevie Wonder performs "All About the Love Again"

Live performs "Lightning Crashes"

Akon performs "Right Now (Na Na Na)"

Foreigner performs "Feels Like the First Time!"

Pussycat dolls & Missy Elliot perform "Whatcha Think About That"

Duffy performs "Stepping Stones"

Adele performs "Chasing Pavements"

Katy Perry performs "Hot N Cold"

The Pussycat Dolls perform "I Hate This Part"

Beyonce performs "At Last"

Common performs "Make My Day!"