Summer is in full swing but don’t sweat about baring it all at the beach. Supermodel Heidi Klum makes a strong case for the one-piece. "You tend to think the more skin the better when it comes to swimsuits," she told InStyle. "But all it takes is one look at a hot maillot to change your mind." That said, a "twist bandeau is great for cleavage." If you’re still undecided about what look you want this weekend, click through the gallery to check out this summer’s hottest styles!