Best of 2011

The Year's Reversals of Fortune

Britney Spears bounced back – but Arnold and Charlie weren't so lucky. See who soared (and who crashed) in 2011

UP: JENNIFER ANISTON

When Aniston got her star on the Hollywood Walk of Fame in July, beau Justin Theroux was there as her biggest fan. And for most of 2011, he hasn't been far from her side, standing by Aniston during a year of achievements (like the premiere of her raucous and well-received turn in Horrible Bosses). "I'm extremely lucky, and I'm extremely happy," Aniston raved about her new life.