Guess Which Actress Tweeted This Butt-Baring Pic? [PHOTO]

2011 Bikini Bodies
The best celebrity bikini bodies of 2011!
Rihanna's Bikini Bod!
Rihanna flaunts what she's got!
Britney in a bikini!
Britney Spears & Jason Trawick enjoy fun in the sun.
Launch the gallery to find out who the cutie is!

Please make sure to check out these great articles from our partners by clicking the links below:

Diane Keaton wants to kiss Ryan Gosling. – Lainey Gossip

Jennifer Love Hewitt models lingerie. – Popoholic

Miley Cyrus tweets photos implying that she’s engaged. – The Superficial

Should fashion modeling require a doctor’s note? – College Candy

Facebook removes gay kiss photo, ironically an advertisement for a cultural project against homophobia. – Towleroad

Hugh Dancy joins Hannibal!– Just Jared

Rihanna as a “goth geisha” on the set of her new music video, “Princess of China”. – ICYDK

Hayden Panettiere might have a stalker. – Celebslam

20 cavelebrities. – CityRag

Katy Perry and Lana Del Rey really like each other. – IDLYITW

Simon Cowell stands by sex taped ‘X Factor’ judge Tulisa Contostavlos. – FOX