10. JUSTIN BIEBER AND SELENA GOMEZ SPLIT...THEN REUNITE?
Are they or aren't they? Usually a question reserved for couples who might be dating, but the duo known as Jelena broke up after two years together then, little more than a week later, seemed to have gotten back together once more.
9. MILEY CYRUS CUTS HER HAIR
Who knew a haircut could cause such chaos? The former Hannah Montana actress started an e-riot when she Instagrammed a picture of her bun getting chopped off, later debuting a controversial, bleached blonde pixie cut.
8. JUSTIN TIMBERLAKE MARRIES JESSICA BIEL
The on-again, off-again pair made it official (and forever!) when they tied the knot at the Borgo Egnazia resort in the southern Italian city of Fasano, becoming arguably the wedding of the year and definitely the most anticipated one.
7. BLUE IVY CARTER IS BORN
After months of conspiracy whispers, rumors of diva-level hospital antics and some seriously fierce maternity ware, Beyoncé, along with husband Jay-Z, welcomed a daughter in January, the princess of hip-hop.
6. JENNIFER ANISTON AND ANGELINA JOLIE GET ENGAGED
Not to each other, lest you be confused. Mr. & Mrs. Smith themselves made it official when Brad Pitt put a ring on it in April. Just a few months later, Justin Theroux popped the question to his Wanderlust costar and Brad's ex-wife, Jen.
5. KATIE HOLMES DIVORCES TOM CRUISE
Somewhere, Oprah's couch is in mourning. Katie filed for (an unexpected) divorce from her Mission: Impossible husband in June, and the split was official shortly after in August, leaving plenty of time for Scientology theories galore.
4. DARK KNIGHT RISES TRAGEDY
The final installment in Christian Bale's Batman trilogy was one of year's most anticipated movie, but no one could have predicted that a gunman would open fire on a midnight screening in Aurora, Colo., killing 12 and injuring countless others.
3. WHITNEY HOUSTON DIES AT 48
It was a shock to the music industry and on Grammy weekend, no less. The legendary songstress died at the Beverly Hilton hotel as a result of accidental drowning, heart disease and cocaine use. She was, and is, missed by millions.
2. NAKED PICTURES OF ROYALS LEAKED
First, Prince Harry was snapped butt naked while partying in Vegas. Shortly after, Kate Middleton, the Duchess of Cambridge, was photographed topless while vacationing in France. Katherine sued because of the photos, Harry just blushed.
1. KRISTEN STEWART CHEATS ON ROBERT PATTINSON
For the Breaking Dawn duo, forever seemed to end very abruptly. Bella Swan herself was caught with her Snow White and the Huntsman director, Rupert Sanders, leaving K.Stew to plead for boyfriend R.Pattz's forgiveness. Which he gave.