The singer shows off her bikini bod while greeting fans in Rio de Janeiro, Brazil. Plus: Kim Kardashian, President & Michelle Obama, Hilary Duff and more
Updated: Wednesday Nov 07, 2012 | 06:00 AM EST
More from PEOPLE
- Biggest Loser Winner Ali Vincent Says New Study Likely Explains Her Weight Gain: 'I Too Probably Have a Slower Metabolism'
- Read the Cover Story: Prince, 1958-2016
- Kim Kardashian Goes to Met Gala as a 'Blingy Sexy Robot' and Kanye Wears Ripped Jeans!
- Sarah Jessica Parker Trades Her Signature Headpieces for Hamilton-Inspired Met Gala Outfit
- Bump Buddies! Olivia Wilde and Emily Blunt Show Off Their Baby Bellies at the Met Gala