Bieber — Helgenberger's Comments Are ‘Kinda Lame’  —  Justin Bieber seems to be pretty SHOCKED that “CSI” star Marg Helgenberger told a radio show he was a “brat” on the set ... especially because they never actually worked together.  —  Bieber just went to his Twitter page and without mentioning Marg …

Vieira will step down after nearly 5 years, but will continue in a new role at NBC News  —  Below:  —  TODAY.com  —  After nearly five years as co-anchor of TODAY, Meredith Vieira has decided to leave the show in June.  Ann Curry will take her place as co-anchor of America's No. 1 morning show alongside Matt Lauer.

So what were Prince Harry and Charlize Theron chuckling about?  —  His usual blonde companion is on-off girlfriend Chelsy Davy.  —  Yesterday Prince Harry appeared to have found a stand-in at the polo field, in the form of Oscar-winning actress Charlize Theron.

‘X Factor’ Brutality at Auditions: ‘L.A.’ Reid Meaner Than Simon Cowell; Audience Urged Not to Boo … Simon Cowell is known for his harsh criticism of aspiring singers on American Idol, but it seems he might have competition for the title of “meanest judge” on The X Factor in music industry veteran and table-mate Antonio “L.A.” Reid.

Lindsay Looks Fangtastic At LA Art Exhibit  —  Getty Lindsay Lohan is ready to sink her teeth into any opportunity before she heads back to court for her felony grand theft case.  The 24-year-old starlet attended an art exhibit in East Los Angeles for friend and celebrity photographer Tyler Shields.

X17 EXCLUSIVE - Alicia Silverstone Gives Birth, Source Says  —  Alicia Silverstone had the best Mother's Day weekend ever ... thanks to the birth of her new baby!  X17online can report exclusively that Silverstone had a water birth at an LA-area birthing center on Friday.

NeNe Leakes: Why I Quit Celebrity Apprentice  —  See ya, NeNe!  —  Real Housewives of Atlanta's NeNe Leakes made a quick getaway on Sunday's Celebrity Apprentice, but she didn't get to hear Donald Trump utter his famous phrase “you're fired!”  Instead, the reality star bolted on her own accord …

Whitney Houston In Out-Patient Rehab Program  —  Whitney Houston has checked herself in to an out-patient rehabilitation program ... but it's not for drugs or alcohol ... TMZ has learned.  —  A source directly connected with Whitney tells us ... Houston enrolled in the program around 10 days ago.

Michael Bolton Teams Up With The Lonely Island!  —  Awww yeah, suckaz!  Michael Bolton and the Lonely Island bring you the sexiest, most HIGHlarious club track of the year!  —  Check out the video above to see the legendary collaboration, and listen to the “big, sexy, hook” that Michael has written for the crew!

‘Glee’ Season Finale to Feature Matthew Morrison Track (Exclusive) … Glee star Matthew Morrison will sing “Still Got Tonight,” the single from his self-titled album (out Tuesday), as part of the show's New York-themed Season 2 finale, The Hollywood Reporter has learned exclusively.