The claws are out! Which star battle had you jumping to take sides?
Osbourne reignited their nine-year-old feud in August, calling the singer a "fat b****" on E!'s 'Fashion Police' (and doing it again in October).
The 'Glee' star took offense at the 'Modern Family' actress' unflattering impression of her on (what else?) E!'s 'Fashion Police.'
He says they hooked up. She says it never happened. "I would rather cut my legs off than date Mike," Snooki told Wendy Williams.
After he made an off-color crack about her on 'Politically Incorrect,' 'The View' cohost took the comedian to task on her own show.
Did the 'Glee' star humiliate the 'Moneyball' star at a Hollywood event, as Hill told Jimmy Fallon -- or was it all a joke?
Move over, Brangelina! Which adorable new twosome is giving Hollywood's power couple a run for their money?
At long last, Jen has found love -- and since settling down with her 'Wanderlust' costar, she hasn't stopped smiling!
The former pro wrestler has hooked Tinseltown's most eligible bachelor, and he's happily shown her off.
From the day they met to their whirlwind wedding, the 'Twilight' star and 'Idol' alum have seemed like they're living a fairy tale.
This teen power couple is as adorable as they come, and we love how Selena brings out Justin's inner romantic.
Talented, attractive and kind-hearted? Which star's act of good will won you over?
Caught on video breaking up an N.Y.C. street fight over a stolen painting, when asked later about his valiant effort, he said, "I'm embarrassed." Aww!
The Oscar winner carried Richard Branson's 90-year-old mother out of a burning house (after putting on a bra!).
The actor saved a 'World War Z' extra from being trampled by an army of movie zombies in Glasgow, Scotland.
The rocker opened a "pay what you can" charity restaurant -- where no one is refused a meal -- in his N.J. hometown.
This year, star parents got really creative when it came to their newborns' names. Which offspring's moniker was most out-of-the-box?
Mariah Carey named her son after the room where Nick Cannon proposed, while her daughter was bestowed with Monroe (after Marilyn).
Viola Davis is over the moon about her adopted baby girl -- although the media first reported that Genesis was a boy!
Natalie Portman and fiance Benjamin Millepied named their first son after the first letter of the Hebrew alphabet.
Jewel took her son's name from pro bull-rider hubby Ty Murray's best friend Kase, and her fave singer, Townes Van Zandt.
January Jones has left us all to speculate about the identity of her son's father -- and the origin of his name. Perhaps she's a 'Buffy' fan?
Alicia Silverstone gave her vegan baby a suitably nature-based name, a combo of her and hubby Christopher Jarecki's top two choices.
Whether they were married for 25 years or 72 days, these duos failed to make their love last. Which breakup caught you off guard?
Many fans doubted that this whirlwind couple would be together forever -- but we expected more than 72 days!
Their affectionate six-year marriage seemed like one of Hollywood's most successful, but it couldn't survive Ashton's reported infidelities.
With seven years of marriage, a shared career and two beautiful kids, these two seemed to have it all -- until they suddenly called it quits.
Their divorce was a long time coming, but the revelation of their housekeeper's love child with the Governator was a shock to everyone.
Everyone has a bad day now and then -- but for LiLo, it was a bad year. Hey, at least her hair looks good!
At an October event, Lindsay Lohan flashed a mouthful of icky brown teeth, sparking rumors of drug use (or maybe just a toothpaste shortage).
In May, Lindsay was placed under house arrest after pleading no contest to "borrowing" a necklace from a jewelry store.
In November, Lilo served her fifth jail sentence before the age of 26. Her latest probation violation: blowing off community service hours.
We thought Lohan had hit rock bottom with her house arrest. Then she started doing janitorial duty at the morgue...
Lindsay got herself banned from two parties during the N.Y.C. event -- one for hurling a glass at a cocktail waitress.
What better way to cap off Lohan's banner year than with a fully nude 'Playboy' photo shoot?
Which celebrity were you most surprised to see having a run-in with the law?
Arrested for public intoxication, the singer later declared she was "a victim of celebrity."
Arrested for raging drunkenly through the streets of New Orleans in April, Cage had to be bailed out by Duane "Dog the Bounty Hunter" Chapman.
Maybe "shocking" is too strong a word for this repeat offender, but seriously: shoplifting?
Not the biggest celeb to get a DUI this year, but the only one who kicked a cop, escaped her cuffs and tried to make a run for it.
These stars all shined when it came to acting out -- but who was the most offensive?
Where to begin? The meltdown, the media tour, the goddesses -- or his confession that "I am on a drug: it's called Charlie Sheen?"
Checked back into rehab this spring, but can still throw diva fits sober: she nearly got kicked off a plane in October.
After being questioned about his history of violence during a 'GMA' interview, he went ballistic backstage and smashed a window.
Peed on the floor of an airplane -- an incident that later sent Anderson Cooper into fits of giggles.
Crashing parties, stealing jewelry, ignoring court orders: just another year in the life of a Lohan.
Tabloids do get things wrong from time to time. Which false story was the most egregious?
Does an Australian TV clip prove that Beyonce is faking her pregnancy? With every passing month, this rumor seems that much crazier.
There were rumors of affairs and a doomed open marriage, but the multi-talented Smiths are still together after 13 years.
She touched her belly! She refused peanuts! Sorry, royal watchers -- doesn't mean she's pregnant, let alone with twins.
Two tabloids reported that Simpson wanted smaller breasts for her wedding. She set the record straight by tweeting, "I LOVE MY BOOBIES!!"
So little time, so many Sheenius quotes! Which of Charlie's bon mots is your favorite?
It's the thing that makes him "a total frickin rock star from Mars," as he told 'Today.'
We still have no idea what this means.
Sheen's explanation for how he survived all that hard living: "I got tiger blood, man. Dying's for fools."
Not only did Sheen say this about a thousand times, he got it tattooed on his wrist.
Which hit freshman series went straight to the top of your must-watch list?
Will Arnett and Christina Applegate juggle work, life and a new baby in this sweetly hilarious NBC sitcom.
It didn't take long for Zooey Deschanel to sing her way into our hearts as quirky Jess in this good-hearted FOX comedy.
Streetwise Kat Dennings and clueless Beth Behr make one of TV's best new odd couples on this Brooklyn diner-based CBS comedy.
An old story becomes new again in ABC's addictive drama of lies, privilege, and very dark secrets.
Simon Cowell's super-sized FOX talent competition managed to give 'American Idol' a run for its money.
Sometimes stars' nips have a mind of their own! Which celeb slip was breast in show?
The peril of outdoor interviews: when a gust of wind blew up her dress up on German TV, J-Lo pushed it back down -- and popped out of her top!
The family-friendly 'Dancing with the Stars' briefly veered into R-rated territory this year, when the news pundit took a cleavage-exposing dip.
She exposed her boobs at the CFDA Fashion Awards -- almost as big a faux pas as accidentally swearing at Anna Wintour!
Fell out of her very low-cut tube top during a live 'GMA' performance. That's one way to say "good morning!"
Didn't notice when her nipple peeked through her shirt for an entire 'Fox & Friends' interview. Not that she cared.
These stars had career years in 2011 -- but which one truly stood out from the pack?
Her incredible voice and heartbreaking songs made '21' the year's best-selling album -- and we love that her weight doesn't rule her life.
Gorgeous, soulful, talented -- and practically caused a riot when he was overlooked when 'People' magazine named this year's Sexiest Man Alive!
Hands-down, one of the hardest-working women in show biz. If anything, pregnancy has made Sasha Fierce even fiercer!
She's an "it girl" now, but with her refreshing sense of humor, knockout looks and major likeability, she may also be the next Julia Roberts.