Celebrities Tweet About Osama Bin Laden's Death  —  President Obama announced last night that Osama bin Laden was killed, and celebrities are expressing their feelings via Twitter.  Katy Perry tweets:  —  “America!  F**k yeah!  Here to save the motherf**kin' day, yeah!

Rick Springfield Busted for DUI  —  '80s rocker Rick Springfield — the guy who sang “Jessie's Girl” — was arrested on suspicion of driving drunk in Los Angeles this weekend ... TMZ has learned.  —  According to law enforcement, the 61-year-old singer was pulled over by the L …

Flavor Flav Arrested — Doomed By Troubled Past  —  Flavor Flav found himself behind bars in Vegas this weekend ... after the rapper was pulled over for a routine traffic violation ... and the cop noticed there were FOUR warrants out for his arrest.  —  Las Vegas cops tell us ... Flav …

Penn has bad table manners  —  They say Washington, DC, is “Hollywood for ugly people,” but the Beltway got a major infusion of good looks Saturday night at the annual White House Correspondents Association dinner.  Staid Washingtonians also got a dose of Hollywood-style drama.

'ROUND THE WAY: MARIAH & NICK WELCOME TWINS (BOY & GIRL)  —  Over the weekend Mariah Carey, 42, and her husband Nick Cannon, 30 welcomed twins on their 3rd wedding anniversary.  The boy and girl duo were delivered on Saturday (April 30) at 12:07 p.m. ET at an undisclosed hospital in Los Angeles.

Prince William Refuses to Sign Pre-nup Agreement  —  Though he was advised a legal agreement would be a good idea, the Duke of Cambridge reportedly insisted that he loves and trusts Kate Middleton and rejected the idea.  —  Prince William refused to sign a prenuptial agreement …

Travis Stork Is Engaged  —  Another former Bachelor is officially off the market!  Dr. Travis Stork proposed to his girlfriend of two years, pediatrician Dr. Charlotte Brown, 28, while vacationing on the island of Lanai in Hawaii recently.  —  Brown accepted, and although no wedding date has been set …

Charlie Sheen & Brooke Mueller — Officially Divorced  —  Charlie Sheen and Brooke Mueller are finally single — their rocky divorce becoming official today.  —  As we first reported, Charlie and Brooke filed the papers and worked out the details of their divorce a few months back.

EXCLUSIVE: PAULA DEEN BATTLING DEADLY DISEASE!  —  Highly acclaimed chef and restaurateur PAULA DEEN is battling a deadly disease - and insiders reveal why she's kept the life-threaten­ing condition a secret from her fans.  —  The silver-haired, plus-size cook - who's parlayed her flair …

Tallulah Willis Cited For Underage Drinking  —  Just weeks ago, RadarOnline.com found Tallulah Willis at the Coachella Music Festival.  She was wearing low-riding cut-off jeans, a strapless bikini top, and smoking non-stop.  —  Friday night, the 17-year-old youngest daughter of Demi Moore …

Maria Menounos in a Bikini  —  Welcome to the first-ever Photo Boy (nickname not endorsed by me) solo post.  In light of the serious, yet celebratory news of Osama Bin Laden's death, I chose to start things off with the above photos of Maria Menounos featuring not one, but TWO different bikini sets.

How William & Kate Drove Off Into the Sunrise  —  Closer to dawn than midnight, newlyweds the Duke and Duchess of Cambridge boogied down to the Beatles' “She Loves You” as friends joined them in a huge sing-along at the end of their special day.  And then they had another send-off - in a mini Fiat car.

Jason Sudeikis Sort of Comments on January Jones' Pregnancy  —  ‘SNL’ star Jason Sudeikis was in Washington, D.C., over the weekend for the annual White House Correspondents' Dinner and got a bit tongue-tied while answering questions about ex-girlfriend January Jones' pregnancy.