Jessica Simpson to Howard Stern: Don't Mess With Gabourey Sidibe!  —  Jamie McCarthy/Getty Images; Denise Truscello/Getty Images; Kevin Mazur/Getty Images  —  Jessica Simpson is coming to Gaby Sidibe's defense against Howard Stern for his recent outburst that the Oscar nominee could kiss …

Demi Lovato Confirms She's Dating Joe Jonas  —  It's like the happy ending to a Disney movie: A smitten-sounding Demi Lovato revealed Friday that she is indeed dating Joe Jonas.  —  During an interview with Access Hollywood's Billy Bush on his radio program, The Billy Bush Show …

Jennifer Love Hewitt and Jamie Kennedy Split  —  After a year-long romance, Jennifer Love Hewitt and Jamie Kennedy have broken up, a rep has confirmed exclusively to PEOPLE.  —  No further details were available.  —  Though some in the blogosphere called them an unlikely couple, Kennedy and Hewitt regularly gushed over each other.

Summer Glau moves to ‘The Cape’  —  THR EXCLUSIVE  —  Summer Glau is back.  —  Glau, who has probably starred in more cult sci-fi series than any other actress, with stints on Fox's “Firefly,” “Terminator: The Sarah Connor Chronicles” and “Dollhouse,” has joined NBC's superhero-themed drama pilot “The Cape” in a leading role.

Is Jamie Lynn Spears Moving In To Big Sis Britney's LA Pad?  —  Do you think it's a good idea for Jamie Lynn to move in with her sister now that Brit's cleaned up her act?  —  Uh-oh Jamie Lynn Spears - your mom is NOT happy that you're dating a much older man!

Crystal Bowersox's Illness Clouds Contestant's Future  —  You're a big deal if you can force ‘American Idol’ to shift its schedule.  Last week, the guys sang before the girls after Crystal Bowersox's doctor kept the sick singer off the stage.  It was an unprecedented shakeup for one of TV's most reliable shows.

Heidi Montag Lands A Movie Role In Adam Sandler Comedy  —  WHAT'S YOUR REACTION?  —  Now that she has a new face and body and has dumped husband Spencer as her manager in exchange for a psychic, Heidi Montag is ready for the big screen.  —  “I was just cast in my first feature film comedy!

Drug Overdose Not Ruled Out In Corey Haim's Death  —  Although reports surfaced that Corey Haim's heart was enlarged and there was fluid in his lungs, the coroner had not ruled out a drug overdose as a cause of death.  —  “You can have somebody with an enlarged heart and some other medical conditions …

Just ‘Friends’?  Sizzling chemistry between Jennifer...  The chilly conditions on the red carpet did nothing to stop the sparks flying between Jennifer Aniston and her leading man Gerard Butler at the London premiere of The Bounty Hunter.  —  The LA-based actress - on bombshell form …

Lady Gaga Explains Raunchy, Crotch-Exposing New Video  —  Well, that's one way to dispel the “hermaphrodite” rumors.  —  In her new, 9-minutes-plus video for “Telephone,” (costarring Beyonce) Lady Gaga silences outlandish internet chatter about her biological gender — by nearly exposing her crotch onscreen.

Joaquin Phoenix Comes Out Of Retirement To Play Poe  —  Joaquin Phoenix's rap career has been put on hold - he will return to the big screen as Edgar Allen Poe, according to Oscar-winning sound engineer Resul Pookutty.  —  The “Walk The Line” actor quit Hollywood last year, announcing plans to focus on becoming a hip-hop star.

Ryan & Tatum O'Neal Talk Reconciliation & Farrah's Oscar Snub  —  Ryan O'Neal,Tatum O'Neal,Farrah Fawcett,Oscars,Deaths,TV,Movies  —  After years of being estranged and following the death of Farrah Fawcett, Ryan and Tatum O'Neal have finally reconciled.  —  Access Hollywood's Maria Menounos sat …

‘Atlanta Housewife’ Walks Out on FOX Show  —  NeNe Leakes is pimping her book all over NYC today — but she put her hatred of FOX ahead of book sales this morning when she refused to go on a local TV show.  —  The “Real Housewife of Atlanta” star was supposed to be a guest on FOX 5's …

Tiger's Ambulance - Domestic Violence Assumed  —  Elin Nordegren was not allowed to ride in the same ambulance as Tiger Woods after his November car crash because the ambulance crew thought it was a domestic violence incident, this according to new documents released by the Florida Highway Patrol.

Scoop: Betty White finds herself in ‘The Middle’  —  Everyone's jumping on the Betty White bandwagon!  —  Hot on the heels of her confirmed Saturday Night Live hosting stint, the TV legend has signed on to guest star in the season finale of ABC's The Middle.