Whether you need a suit that will stay on in the surf or just a cute cover-up, depend on the expert advice of beach-loving stars like Rihanna, Cameron Diaz, Heidi Klum and more. Click through for our must-know celebrity bikini tips.
STAR BIKINI TIPS
• Celeb Bikinis 2012: See the Photos!
• Our 50 Favorite Bikinis
• The Hottest Beach Couples!