BEST: Brooklyn Decker looked adorable at a Sephora event in NYC, wearing a black and white bibbed dress with Valentino grommet embellished heels.
WORST: Kelly Osbourne wasn’t looking so lovely in London, pairing oxfords with a striped skirt, shredded top and leather jacket and overdoing it with powerful pink lipstick.
BEST: Khloe Kardashian showed off her covetable curves in a sleeveless Alexander McQueen mini and Christian Louboutin peep-toes at the HPNOTIQ Harmonie Launch Party in NYC.
WORST: Kelly Rowland had a little too much going on with her ensemble at the X Factor Liverpool Auditions, pairing Stella McCartney floral shorts with a bright blue top, navy blazer and orange Giuseppe Zanotti boots.
BEST: Clemence Poesy looked chic in Chanel at the Paris premiere of Harry Potter and the Deathly Hallows: Part 2, rocking a tweed look from the Spring 2011 Couture collection with Chanel sandals.
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WORST: Roseanne Barr got drenched and spotted in leopard print for The Late Show with David Letterman, promoting her new show Roseanne’s Nuts.
BEST: Rosie Huntington-Whiteley managed to pull off leather leggings in the summer, pairing her winter wardrobe staple with a summer sweater and Celine ballet flats.
WORST: Richard Simmons celebrated his 63rd birthday in Los Angeles, getting a little a la mode inspiration from Katy Perry and Rihanna.
BEST: Sassy supermodel Jessica White look smoking hot in a white bandage mini at the NYC launch of Remy Martin V at LAVO.
WORST: Ali Larter showed off a little too much boobage in a totally sheer knit dress, while out and about in Los Angeles.
Stars In The Best And Worst Fashions Of The Day