THE LATEST ON Celebrity Jennifer Aniston

Christina Applegate in telethon for cancer research

Reuters - Cancer survivors Christina Applegate, Patrick Swayze, Sheryl Crowe, cyclist Lance Armstrong and dozens of other celebrities "stood up" to battle the disease in a charity television fund-raiser on Friday. more »

ROLL CALL: Lily Allen Vs. Sir Elton John

LOS ANGELES, Calif. -- Lily Allen and Sir Elton John trade on stage barbs in London, Hilary Swank packs on the pounds, Jack Bauer gets his daughter back and a new poll reveals the most popular celebrity pout!

Lily Allen, Elton John Catfight Onstage

"I could still snort you under the table," he lashes out after the tipsy singer insults his age more »

Jennifer Aniston Plays "Free-Spirited Stalker" on 30 Rock

"She has what the young people would call 'mad skills,'" co-star Tina Fey says more »

FIRST LOOK: Jennifer Aniston Guest Stars On '30 Rock'

NEW YORK, New York -- Jennifer Aniston is heading back to primetime, with a guest appearance on NBC's "30 Rock," the network announced on Tuesday, confirming an earlier report by AccessHollywood.com.

Aniston will appear in one episode as a "free-spirited, 'Fatal Attraction'-like stalker" named Claire Harper, who is the Liz Lemon's (Tina Fey) former Chicago roommate, NBC revealed.

And judging from the first sneak peek photo of Aniston's cameo, released by Bauer-Griffin Online, it appears a fountain comes into play - a la her famous "Friends" opening sequence.

ROLL CALL: More Kids For Madonna & Guy?

By Jesse Spero

LOS ANGELES, Calif. -- John Mayer gets friendly with a waitress. Plus, Matthew McConaughey has found the love of his life. And, Mary-Kate still loves plaid.

Jennifer Aniston will make a return visit to NBC

AP - Jennifer Aniston will return home to NBC, the TV network where she became a breakout star on the hit sitcom "Friends." more »

Obama's Speech Tops Idol, Oscars in Ratings

With 38 million viewers, it was the most-watched convention in history more »

Madonna Wears Bathrobe in German Airport

She dons a white robe with black sneakers after a concert in Berlin more »

Jennifer Aniston Comes To '30 Rock'

NEW YORK, New York -- "Friends" star Jennifer Aniston is returning to NBC, where she'll guest-star on an episode of "30 Rock," a source close to Aniston has confirmed to Access Hollywood.