Chris Klein Checks Into Rehab  —  Following his second alcohol related arrest, actor Chris Klein has voluntarily checked himself into rehab.  —  “After recent events, Chris was forced to take a clear look at a problem he has been trying to deal with himself for years.

Heidi and Spencer Divorce — The Real Deal  —  Knock us over with a feather.  TMZ has learned ... Heidi Montag is so serious about ending her marriage to Spencer Pratt, she's already lawyered up and she has a game plan.  —  We've learned Heidi has picked Jodeane Farrell to handle her divorce …

Orlando Bloom and Miranda Kerr Are Engaged!  —  It's (finally!) official - Orlando Bloom and Miranda Kerr are engaged, his rep confirms to PEOPLE.  —  The couple, who have been dating for almost three years, have dodged multiple engagement rumors throughout their relationship.

PIC: Miley Cyrus, 17, Performs in Skin-Baring Black Leotard  —  Days after declaring “I'm not trying to be ‘slutty,’” Miley Cyrus turned heads Sunday at the MuchMusic Video Awards in Toronto by performing in a skin-baring black leotard, complete with black leather short shorts.

Exclusive First Look: ‘Mad Men’ season 4 poster!  —  The message being conveyed by Mad Men's season 4 key art is clear: Don Draper is starting over.  —  Of course, nice as the exclusive first look above is, we didn't really need a poster to tell us that.  Last season ended with the ad man experiencing …

EXCLUSIVE: Jeremy London & Wife Both Undergoing Drug Testing, Lost Custody Of Son  —  Jeremy London and his wife Melissa have lost custody of their son and are both being drug tested regularly, RadarOnline.com has learned exclusively.  London made headlines when RadarOnline.com broke the story …

Lady Gaga Bares Her Booty, Shows Off Her Guns  —  Lady Gaga graces the latest issue of Rolling Stone, and the pop star practically made our eyes pop out of our heads when we got a peek at this cover shot.  But even with the intimidating facade, Gaga admits that she has her own self-confidence issues.

‘Glee’ exclusive: Charice IS joining the cast!  —  Stop me if you've heard this one before: Charice is joining Glee.  —  No, really this time!  —  When that rumor began to spread earlier this month via her loose-lipped manager, Charice herself shot it down via Twitter.

Source: Prince Harry, Chelsy Davy Haven't Split Yet  —  Despite weekend reports, Britain's Prince Harry and longtime girlfriend Chelsy Davy haven't split, a source tells UsMagazine.com.  —  News of the World reported that Davy, 24, dumped the 25-year-old Prince, a second lieutenant in the Blues …

Tim Gunn describes Anna Wintour's special ride  —  Tim Gunn has seen a lot, but his story of watching Anna Wintour get carried down five sets of stairs by her bodyguards after refusing to ride an elevator takes the cake.  —  In his new book, “Gunn's Golden Rules” (Simon & Schuster's Gallery Books) …

Anna Nicole Smith Judge — It Was ‘Foul Play’  —  The judge who decided where Anna Nicole Smith would be buried has written a new book claiming someone is guilty of manslaughter in her death, but he went even further with TMZ, calling Anna's death “a potential murder case.”

Shia LaBeouf & Rosie Huntington-Whiteley On Set — FIRST PICS!  —  Scope out the very first photos of Shia LaBeouf and his new on-screen love interest Rosie Huntington-Whiteley on the set of Transformers 3 taken last Thursday (June 17).  —  Director Michael Bay and actor Tyrese Gibson (pictured below) were also spotted on the scene.