Mario Lopez announced that he’s expecting a baby with girlfriend Courtney Mazza.

Eric Dane and his wife, Rebecca Gayheart, welcomed their first born last week , but stayed mum on their newborn girl’s name. Now, the beautiful couple is ready for the big reveal, telling People they named their daughter Billie Beatrice. Dane previously told the mag his wife wanted to “wait to see [the baby]” before picking a name. “You want to make sure that the name sticks.”

Twilight fans, rejoice! The full-length trailer for Eclipse is here — and it’s steamy!

Jessica Simpson chats with David Letterman about getting dumped by Tony Romo and John Mayer ’s sexual napalm comments.

Rocking a thigh-high minidress, tomboy-no-more Kristen Stewart chats about her new flick, The Runaways , and her Oscar experience with Jay Leno .

Conan O’Brien is putting his new-found free time to good use. The former Tonight Show host announced a 30-city theater tour on Thursday. Conan’s sidekick Andy Richter will join him on the road, along with his Tonight Show band for the appearances which he promises will be “a night of music, comedy, hugging and the occasional awkward silence.” The tour kicks off April 12 in Eugene, OR. In January, O’Brien quit the Tonight Show instead of taking NBC’s offer to push his start time back by a half-hour. Since then he hasn’t announced any future plans for another television spot. “It was either a massive 30-city tour or start helping out around the house,” he joked. To see a full list of tour dates, click here .

Heidi Montag has finally come to her senses and decided to ditch her loathsome husband, Spencer Pratt …in business at least. Pratt, who  has served as Montag’s manager since the couple met five years ago, is being replaced by Malibu-based psychic, Aiden Chase. “After the incredible experiences I have had healing my life and truly connecting to my dreams with healer intuitive Aiden Chase, I have officially asked him to become my manager,” Heidi tells People magazine. “Having an intuitive psychic leading my team gives me an edge no one else has.” “No longer is my husband the face of my business or managing my career,” she continued. “I am going to have Aiden Chase help manage my new life and career in a very different and positive way with light and love. The time for change is now. Never mix business and pleasure. We are no longer Speidi but Spencer and Heidi.” Talk about the end of an era! Heidi’s upcoming plans include a Ron Howard related business venture, and starring in a feature film.

Oops! Jimmy Fallon wipes out and cuts his hand after challenging Chelsea Handler to a martini race on Tuesday’s Late Night show.

New Moon star Robert Pattinson admits he was beaten up a lot when he was younger, but he deserved it.

Rumer Willis guest stars as a lesbian on the CW’s 90210 and kisses Jessica Lowndes’ “Adrianna” on Tuesday night’s episode.

Kelly Ripa dances with Ludacris’ backup dancers on Live With Regis and Kelly .

Kristen Stewart and Dakota Fanning get in character for their new movie, The Runaways , and besides their mullets and ’70’s gear, they have the whole music thing down pat. Playing the roles of Cherie Currie (Fanning) and Joan Jett (Stewart), the girls put their rocker faces forward for to remake The Runaways classic, “Cherry Bomb.” Dakota and Kristen go grunge for other hits like “California Paradise” and “Queens of Noise” which will also appear on the soundtrack for the movie set to hit theaters on April 9. Watch the music video for “Cherry Bomb” here: Dakota Fanning featuring Kristen Stewart – New Music – More Music Videos

Actor Corey Haim is dead after a reported accidental overdose at the age of 38.

Newly engaged Nicole Richie talks to Ellen DeGeneres about her wedding plans to Joel Madden, and sings a little rap!

In a new radio interview with Ryan Seacrest , Jessica admits how hurt she was when she was called fat and how disappointed she is in John Mayer .

Former CBS producer, Robert “Joe” Halderman, who was accused of trying to blackmail comedian David Letterman , has plead guilty. Halderman was charged with second-degree grand larceny on Tuesday, and will face six months in jail, five years probation and 1,000 hours of community service. “This is a serious sentence that properly reflects the crimes that Mr. Halderman has now admitted that he committed, and it is a fitting end to the case,” Letterman’s lawyer, Daniel J. Horwitz said in a statement. During an episode of The Late Show with David Letterman last October, the host admitted to affairs with female staff members, and revealed the extortion plot against him. Halderman, a CBS employee for 27 years, confessed to trying to extort $2 million from Letterman in exchange for staying quiet about the affairs. “I would like to thank the District Attorney of Manhattan, Cyrus R. Vance Jr., the former District Attorney, Robert M. Morgenthau, the Special Prosecutions Bureau in the D.A.’s Office and the New York City Police Department,” Letterman said in a statement after Tuesday’s hearing.

Robert Pattinson tells The Early Show he would be willing to shave his infamous hair for a movie role!

Jason Mesnick and Molly Malaney tie the knot on a special wedding edition of The Bachelor .

American Idol judge Simon Cowell got a little uncomfortable when Jay Leno asked him about his engagement to makeup artist Mezhgan Hussainy.

After getting his sentence delayed twice — once for dental work ,  a second time because of a courthouse fire — Lil Wayne finally starts his year-long jail sentence for gun possession.