Source: Mischa Barton Placed Under Involuntary Psychiatric Hold  —  Mischa Barton was placed under an involuntary psychiatric hold (also known as a 5150) by the Los Angeles Police Department and transferred to Cedars-Sinai Medical Center on Wednesday evening, a source close to the situation claimed to Access Hollywood.

Ivanka Trump Is Engaged  —  Ivanka Trump got engaged to her longtime beau Jared Kushner last night, a rep for the couple confirms to Usmagazine.com.  —  “I'm very happy about it,” Donald Trump tells Usmagazine.com.  “They make a magnificent couple.”  —  Ivanka, 27, posted the news on Twitter earlier today.

Hailey Glassman's Facebook Friends Slam Kate Gosselin  —  Hailey Glassman's Facebook friends are standing by her as the 22-year-old New York City native romances 32-year-old father of eight Jon Gosselin.  —  “GOOD LUCK ON EVERYTHING,” one person wrote.  “AS I CAN SEE SO FAR U DON'T SEEM LIKE THE GOLD DIGGEN TYPE KATE WAS!!!

Inside Brad and Angelina's Birthday Party for the Twins!  —  Brad Pitt with Knox (left) and Angelina Jolie with Vivienne  —  They've already been to France, Japan and New York City.  So how did Brad Pitt and Angelina Jolie's globetrotting twins Knox and Vivienne celebrate their first birthday on July 12?

Exclusive: Pepsi responds to Michael Jackson accident footage.  ‘Why would anyone want to share such frightening images?’  —  Pepsi has responded to yesterday's appearance on the internet of footage of Michael Jackson being burned while filming an ad for the soft drink in 1984.

Madonna's Stage Collapses, One Dead  —  The stage for Madonna's concert in Marseille, France collapsed today, killing one person and injuring six.  —  The collapse occurred at the Velodrome stadium where Madonna was going to perform on July 19, according to Reuters.  —  French papers say the concert has been canceled.

Caught in the Act!  —  • Tom Cruise, doing the famous “Single Ladies (Put a Ring on It)” dance at Beyoncé's concert at L.A.'s Staples Center.  “Everyone was laughing and taking pictures,” a concertgoer tells us of the scene.  When the actor originally arrived - sans wife Katie Holmes …

This week's cover: ‘Iron Man 2’ with exclusive photos!  —  Entertainment Weekly's second annual Comic-Con preview issue features Iron Man 2 on the cover, and inside it's packed with exclusive first looks at highly anticipated TV shows, comic books, and movies.

Fact or Fiction: Are Gerard Butler and Jennifer Aniston More Than Friends?  —  Gerard Butler and Jennifer Aniston on set in New York  —  The Bounty Hunter costars Jennifer Aniston and Gerard Butler are making headlines with speculation over their off-screen romance - but a usually humorous Butler sets …

Is This Rhianna's New Album Cover (Rated R)?  —  SOURCE:  —  Rumor has it that this is Rihanna's cover for her new album, Rated R. The album is suposed to drop in December.  What do you think?  — Report This … Riri is screwed.  Nothing she can do will fix her career.

Harlequin takes aim at teen readers with new imprint  —  Harlequin is feeling like a kid again.  —  The 60-year-old publisher of classic bodice-rippers is rolling out its newest imprint: Harlequin Teen.  —  “These books specifically focus on teen protagonists, which is not something Harlequin …

Twilight movie ‘Eclipse’ has its first new casting  —  Google might want to brace for a search onslaught: An unknown Australian actor named Xavier Samuel has landed the first new role in “Eclipse,” the third “Twilight” pic.  —  Summit has hired the actor to play the role of a “newborn vampire” …

Ryan O'Neal & Alana Stewart Caught In Bed Together While Farrah Was In The Next Room  —  It is quite the headline isn't it?  If I didn't think I would run out of room I would have said who caught them in bed together.  How about Farrah's dad?  Yep, Farrah's dad was visiting his daughter …

‘Potter’ Starlet Says She's Brown-Bound  —  Emma Watson tried valiantly to keep her choice of college under wraps, telling Teen Vogue in June, “I probably sound like a paranoid nut, but I'm doing this because I want to be normal.  I really want anonymity.  I want to do it properly, like everyone else.”