Kate Hudson
Hudson emerged from the ocean in Maui in a simple but classic string bikini. Look sexy on the beach in similar separates from Cosabella Mare.
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Top, $60; at
chicmystique.com
Bottoms, $60; at
chicmystique.com
Rihanna
The songstress prowled Barbados in a tiger-print suit with jeweled detail. No need for an S.O.S.—this Michael Kors bandeau bikini will give you her wild style.
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$256; at
michaelkors.com
Penélope Cruz
The actress sported a floral-print Diane von Furstenberg suit while bodyboarding in the Caribbean. Get this actress-tested bikini for your next day on the waves.
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Top, $52.90; at
nordstrom.com
Bottoms, $52.90; at
nordstrom.com
Christina Applegate
Applegate vacationed in style in a black bikini with grommet detailing. Get the look in this ruffled two-piece from Maya.
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Bikini, $165; at
couturecandy.com.
Nicole Scherzinger
The Pussycat Dolls frontwoman splashed in the sea in a tan two-piece. A pale shimmery Miracle Bra suit from Victoria's Secret will give you her look—and her curves.
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Top $29.99; at
victoriassecret.com. Bottom, $24.99; at
victoriassecret.com.
Denise Richards
The actress bared her famous bikini bod in the Honolulu sun in a wine-colored two-piece from Vix. Get a similar look with the striped Neverland suit from Pompei Beach.
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$72; at
instyleswimwear.com
Ashlee Simpson
Simpson waded in the water in Honolulu in a rugby-striped Roxy two-piece. Get a similar effect with the Tennis Stripe halter top and tie bottoms from Juicy Couture.
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$140; at
bloomingdales.com
Molly Sims
Sims did
Sports Illustrated proud in a colorful string suit while hosting a beach party in Malibu. Get the former swimsuit model's look with the Eye of the Tiger print top and keyhole bottoms from Love Surf Love.
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$86 at
swimwearboutique.com
Keira Knightley
Knightley showed off her toned abs in Hawaii in a candy-striped bandeau suit. Get your bikini wardrobe in good shape with the Heart Breaker suit in red-and-white stripes from Wet Seal.
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Top, $15; at
wetseal.com
Bottoms, $15; at
wetseal.com
Gisele Bündchen
The athletic supermodel wore a double-strap string bikini on a St. Bart's windsurfing outing. Try the Metallic Square two-piece from Lisa Curran for look-alike appeal.
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$160; at
shopbop.com
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