CELEBRITY BIRTHDAYS (3/1/11):  Justin Bieber - 17  I'VE GOT BIEVER FEVER!!! How 'bout you???  His video for "Baby" is currently ranked as the most viewed, most discussed and most disliked video on YouTube ...

--Ke$ha - 24   Last name Sebert. Regular S, no $.  

--Javier Bardem - 42   "No Country For Old Men" earned him a Best Supporting Actor Oscar last year.  He was up for Best Actor this year for "Biutiful", but lost to Colin Firth. He's also the man responsible for soiling Penelope Cruz.

--George Eads - 44   Nick Stokes on "CSI".  He shot fellow birthday boy Justin Bieber DEAD in an episode last month.

--Tim Daly - 55   "Wings" superstar who's now Dr. Pete Wilder on "Private Practice"

--MARK-PAUL GOSSELAAR! - 37  Zach on "Saved by the Bell" . Later did a stint on "NYPD .  He is currently filming a new series for TNT called "Franklin & Bash" ...

--Roger Daltrey - 67   The Who

--CATHERINE BACH! - 57   For anyone who wasn't a hormone-raging boy in the early '80s, she's the actress who played the iconic Daisy Duke on "The Dukes of Hazzard" ...