Exclusive: Justin Bieber Strikes Back: “I'm Young and I Make Mistakes”  —  Justin Bieber on the verge of a breakdown?  You better NOT believe it.  After a series of bizarre incidents led to speculation that Bieber is heading for a meltdown, the 19-year-old pop star defends himself …

Lindsay Lohan finds unlikely ally in Kristen Stewart  —  Lindsay Lohan has found an unlikely ally in her quest to be better understood by the public and the media — Kristen Stewart.  We have exclusively learned Lohan, who's refusing to go to court-ordered rehab until after Coachella, is hanging out with her.

WE'RE NOT MARRIED  —  Angelina Jolie has just made it crystal clear ... she and Brad Pitt did NOT secretly get married.  —  You'll recall, Angelina swapped out her $500,000 diamond engagement ring for a simple gold band during a recent humanitarian trip to the Congo …

Anna Chlumsky Expecting First Child  —  She's got sunshine on a cloudy day ... and a baby on the way!  —  Anna Chlumsky and husband Shaun So are expecting their first child this summer, the Veep star confirms to PEOPLE exclusively.  —  “I'm feeling pretty good so far,” Chlumsky, 32, tells PEOPLE.

Rob Kardashian — Accused of Robbing Photog Over Shirtless Pics  —  Accused of Robbing Photog Over Shirtless Pics  —  EXCLUSIVE  —  Rob Kardashian allegedly just jacked a photog's camera equipment ... law enforcement sources tell TMZ — and according to the photog, it was all because she snapped shirtless pics of the reality star.

NEWS/Lindsay Lohan Heads to Brazil After Being “Colossal Pain in the Ass” for Anger Management Crew  —  After two days of tardiness, it appears that Lindsay Lohan is at least going to make it to Brazil on time.  —  The 26-year-old actress was spotted at LAX tonight to catch her flight—and we wonder if her ears were burning.

Taylor Swift to Guest Star on ‘New Girl’ Season Finale  —  She'll appear in the second-year Fox comedy's season finale airing in May.  —  Taylor Swift  —  Fox's New Girl is continuing its impressive track record of nabbing stellar guest stars.  —  Just days after Justified Emmy winner …

In Heroin Case  —  “Buckwild” star Salwa Amin has been arrested for the SECOND TIME in connection with a West Virginia drug raid last month ... a raid that turned up oxy pills and heroin ... TMZ has learned.  —  Amin was hauled in today on a bench warrant, which was issued after she allegedly blew off …

MGM Partners With GK Films for New ‘Tomb Raider’ Movies  —  It will be the third feature based on the popular Lara Croft video game series.  —  MGM will partner with GK Films to develop a new action-adventure franchise based on Tomb Raider, the popular video game series.

NEWS/Jon Hamm Crotch Brouhaha: Jockey Offers Free Underwear to Mad Men Star  —  Jon Hamm is getting quite the, um, support, amid all the needling fixation on his family jewels.  —  Undies staple Jockey has made the Mad Men star a rather generous proposition after unsubstantiated reports surfaced …

Another One Bites The Dust In 90210!  Faye Resnick Finished With Real Housewives — It's ‘Ruining Her Life!’  —  Yet another Real Housewife is hanging up her spurs!  —  Kyle Richards BFF, Faye Resnick, has told friends she won't be accepting an offer to become a full-time The Real Housewives …

EXCLUSIVE: New Kardashian Bombshell: Model Michael Girgenti Claims He May Be Mason Disick's Father  —  Kourtney Kardashian and model Michael Girgenti worked together on a photo shoot in 2008.  Now, Michael is claiming he may be the father of Kourt's oldest child, Mason Disick.

The Business Of Love!  Britney Spears New Boyfriend Submits To Background Check & Signs Confidentiality Agreement  —  Britney Spears new boyfriend David Lucado had to undergo a background check, and sign a confidentiality agreement arranged by the pop star's father, RadarOnline.com is reporting exclusively.

'I'm not ashamed of my body': Kim Kardashian proudly displays her pregnancy curves in bejewelled figure-hugging dress  —  Kim Kardashian silenced her critics on Wednesday with another show-stopping outfit - and insisted she is not ‘ashamed’ of her pregnancy curves.