"For many women, your 20s are all about projecting the fact that you are a woman, no longer a teenager," says Constance Dunn, a Los Angeles based stylist and the author of "Practical Glamour." With the summer's onslaught of pool and day parties, it's all about making a statement, being on-trend and being adventurous with style choices.

Look for: Bold colors and designs, on-trend bow accents and one-pieces with cutouts.

This stylish update on the traditional American flag bikini will get plenty of mileage over the summer.

Shop it: Wildfox Reversible USA Bikini Top and Bottoms, $78 and $74

Make a statement at your next pool party with a crisp one-piece featuring sexy cutouts.

Shop it: Mara Hoffman Cosmic Fountain One Piece, $245

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