A fun, fringe bikini easily doubles as a waterproof top at the many outdoor concerts during festival season.

Shop it: L Space Audrey Fringe Bikini Top, $73

If triangle tops make you feel uneasy, try this season's latest swimwear trend: delicate flounce. It's perfect for playing up a small bust.

Shop it: Maaji Garden Admiral Bikini Frill Top, $91.46

"Many women in their thirties have already begun having kids and are a little more self-conscious about their midriff area," says Heather Rae Mitchell, a New York based stylist and image consultant. This is a time when cut and silhouette become a higher priority. Thanks to this year's swimsuit trends, finding a more supportive top and modest bottoms is incredibly easy.

Look For: Chic, streamlined suits and on-trend '50s and '60s inspired bikini sets, -- they're more fashionable than ever and offer a bit more coverage without losing any of the sultriness.

This vintage silhouette gives you the coverage you want without sacrificing style.

Shop it: Giejo Mixed High Waist Gingham, $98

Give the mismatched bikini from your 20s a fashionable upgrade with a more sophisticated suit. Use the halter straps for extra support and the on-trend bustier style.

Shop it: Zimmermann Sundown Bikini, $230