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BEST: WHITE EYELET & LACE
It isn't just for doilies: This season celebs including Halle Berry and Jessica Simpson are stepping out in ultra-feminine lace frocks. "It's a fresh take on a traditional fabric," says PEOPLE associate style editor Clarissa Cruz.
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WORST: AXL ROSE-STYLE HEADBANDS
Welcome to the (Malibu) jungle! Nicole Richie and Lindsay Lohan look like "hair-metal band castoffs" in their beach headscarves – a throwback to the Guns N' Roses frontman, says Cruz.
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BEST: ROLLED SHORTS
A more casual alternative to tailored walking shorts, the rolled variety is a chic way to showcase your gams (as seen on Rachel Bilson and Kate Moss). "And you can wear them with everything from sandals to cowboy boots," says Cruz.
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WORST: PANT SUITS
The '80s-inspired ensemble (modeled by Tori Spelling and Kate Beckinsale) is "very hard to carry off," says Cruz. "It's easy to end up looking like a refugee from the Dynasty fashion closet."
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BEST: POLKA DOTS
A perennial favorite, the print (worn by Jessica Alba and Mischa Barton) has been updated for the season in lighter fabrics such as chiffon. "Accessorize with a belt and you'll really give the silhouette some shape," says Cruz.
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WORST: OVERLY OVERSIZED SUNGLASSES
From Jackie O to Jackie Oh-No, the massive shades make stars such as Beyoncé, Paris Hilton and Nicole Richie "look more alienlike than anything else," says Cruz. "It's a fine line between chic and ridiculous."
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BEST: KIMONO-STYLE DRESSES
"Someone who is stick-skinny or someone who just had a baby can wear them," says Cruz of the versatile Japanese-inspired frocks (as seen on Jennifer Lopez and Sandra Bullock).
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BEST: DENIM PEDAL PUSHERS
The fitted cut-off jeans (worn by Beyoncé, Naomi Watts and Lindsay Lohan) are a sophisticated answer to last summer's Daisy Dukes, and are "more wearable than short shorts."
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WORST: CAMOUFLAGE CAPS
In an attempt to go incognito, celebs such as Eva Longoria, Scarlett Johansson and Nicollette Sheridan are sporting "the latest incarnation of the tired trucker hat. It's a look that should just be put to rest," says Cruz.
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BEST: LEGGINGS
Kate Bosworth and Sarah Jessica Parker have been adding "a rock 'n' roll vibe to summery pieces" by layering dresses and flowing tops with the retro pants.
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BEST: STRIPES
A continuation of spring's nautical trend, the print (as seen on Mischa Barton, Molly Sims and Nicky Hilton) works for day or evening. "There are so many ways to wear it – on shorts, a top or on a dress," says Cruz.
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WORST: GLOVE-CUFF HYBRID
The hand accessories (worn by Lindsay Lohan and Paris Hilton) "are the girls' version of last year's wallet chain," says Cruz. "It's not quite a glove, not quite a cuff, but is definitely silly."
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