Exclusive: Leo & Bar split  —  Leonardo DiCaprio and model Bar Refaeli have officially called it quits, Page Six has exclusively learned.  The pair broke up late last week after going through a rough patch.  “It was amicable, they're still friends and they are still talking,” said a source close to the couple.

Angelina Jolie Explains New Tattoo: It's for Brad!  —  Angelina Jolie sparked adoption rumors earlier this month when she was photographed with a new tattoo while on a goodwill trip to the Tunisia-Libya border.  The photograph showed a new set of map coordinates on her arm …

Hayden Panettiere and Wladimir Klitschko End Their Romance  —  Hayden Panettiere and Wladimir Klitschko  —  After two years of dating, Hayden Panettiere and Ukrainian heavyweight boxing champion Wladmir Klitschko are calling it quits, PEOPLE has learned exclusively.

Celebrity Herpes Lawsuit Triggers Sex Tape Frenzy  —  TMZ has learned ... the person who is suing an internationally famous celebrity for intentionally transmitting herpes has multiple videos of the sex acts that allegedly transmitted the disease — and now there's a bidding war for the tapes.

Lindsay Lohan Gets Merciful Sentence for Theft  —  Lindsay Lohan dodged a huge bullet today — she won't be locked up in jail ... this after pleading no contest to misdemeanor theft.  —  Lindsay's attorney Shawn Holley entered the plea a few minutes ago — Lindsay wasn't in court.

Which ‘American Idol’ Contestant Made 'Lady Gaga's Yaya Go La-La,' According To Steven Tyler?  —  LOS ANGELES, Calif. — The “American Idol” final four came face to face with Lady Gaga this week on the reality television competition and she certainly helped shake things up.

Mary Tyler Moore Set for Brain Surgery  —  Mary Tyler Moore and Dick Van Dyke, on the set of the Rachael Ray Show, May 5, 2011  —  Mary Tyler Moore has elected to undergo surgery to remove a meningioma, a benign tumor of the lining tissue of the brain, her rep tells PEOPLE exclusively.

Bethenny Frankel Sued by Ex-Manager for $100 Million (Exclusive) … Reality star turned liquor mogul Bethenny Frankel has been sued by her ex-managers, who claim they helped broker her pairing with the lucrative Skinnygirl cocktail brand and were cut out of the rich deal that followed.

Teen Mom 2's Jenelle Evans Enters Rehab  —  Teen Mom 2 star Jenelle Evans has entered a rehab program in Malibu, a source confirms to Us Weekly.  —  “She is clean right now and has been that way for several weeks,” the insider says.  “She's doing this program to help her cope with all the stress …

Real Housewives of Orange County's Alexis Bellino Reveals Eating Disorder: “It's Not a Pretty Disease”  —  Alexis Bellino is sharing a dark secret.  —  “I suffered from both anorexia and bulimia,” the svelte star of The Real Housewives of Orange County told us yesterday.

Britney Spears Shows Southern Hospitality as Host of Charity Dinner  —  It's not too often that Britney Spears hits the red carpet these days, but the singer stepped out with boyfriend Jason Trawick Wednesday night when she hosted a charity dinner in Beverly Hills.

MYSTERY MAN REVEALED: Hugh Grant Almost Replaced Charlie Sheen On ‘Men’  —  EXCLUSIVE: I've learned that one-time bad boy Hugh Grant was deep into final negotiations to replace Charlie Sheen as the lead on Two And A Half Men until he pulled out last night at the last minute due to creative differences.

‘Road Trip’ Actress — Knee Surgery Day Before Death  —  “Road Trip” actress Mia Amber Davis underwent a routine knee surgery in Los Angeles the day before she died ... TMZ has confirmed.  —  TMZ spoke with Mia's husband — Michael Yard — who told us the actress went under the knife Monday …

Tom Sizemore — Questioned by Cops Over Missing GF  —  about a minute ago by TMZ Staff  —  Tom Sizemore's girlfriend went missing over a month ago — and TMZ has learned, the actor was recently questioned in connection with the case.  —  Law enforcement sources tell TMZ …

Oprah Winfrey Gets Chicago Street Named After Her  —  Keys to the city are so last year!  —  When Oprah Winfrey wraps her daytime talk show May 25, she'll have left her mark on the city of Chicago in more ways than one.  —  On Wednesday, outgoing Chicago mayor Richard Daley honored …

Britney May Have To Undergo Psych Exam  —  Britney Spears will have to undergo a psychiatric exam, if her former manager gets his way in court, RadarOnline.com is exclusively reporting.  —  The pop star's controversial former manager Sam Lutfi is suing Britney and her parents Jamie …

Gwyneth Paltrow Grows Salvia in Her Garden  —  Is this where Miley Cyrus got her stash?  Gwyneth Paltrow's latest blog post on her healthy-living website GOOP.com, reveals her garden has a little something extra: salvia!  The Oscar winning actress expressed:  —  “We've got 4 varieties [of sage] going this year!

EXCLUSIVE: Jennifer Aniston May Go Topless in Horrible Bosses  —  After years of posing naked — but playfully concealing her breasts — Jennifer Aniston, 42, may finally flash her assets in the raunchy comedy Horrible Bosses.  —  “She shot a topless scene, but produces aren't sure if they'll use it …

'True Blood's' Alexander Skarsgard Sinks Teeth Into ‘What Maisie Knew’ (Cannes) … Alexander Skarsgard has joined Julianne Moore and Steve Coogan in What Maisie Knew, an adaptation of the Henry James novel set in contemporary New York from co-directors Scott McGehee and David Siegel.

This Week's Cover: The stars of ‘The Hangover Part II’ share wild tales from the set  —  Having delivered the craziest morning-after in cinematic history with 2009′s The Hangover, the team behind the Hangover Part II knew they needed to up the ante for the sequel.