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What's the key to her success? Songstress Rihanna enjoys her reign as queen of the West Hollywood Halloween Carnaval at L.A.'s Greystone Manor Supperclub on Wednesday.
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Things are looking up for Jennifer Lopez as she hits the stage in a bedazzled bodysuit Wednesday in Oberhausen, Germany.
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Gwen Stefani adds a pop of pink to her gory costume during British talk show host Jonathan Ross's annual Halloween party in London on Wednesday night.
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Tim McGraw takes to the microphone while hosting the One of These Nights party Wednesday night in Nashville.
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THRILLS & FRILLS
Courteney Cox and her dolled-up daughter Coco, 8, step out in style in Brentwood, Calif., on Wednesday.
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ORANGE YOU GLAD?
Emily Blunt finds a fashionable friend in actress Marion Cotillard Wednesday night at the Harper'sBazaar Woman of the Year Awards 2012 in London.
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STEP RIGHT UP
Leaving the American Idol drama behind, Nicki Minaj makes a cheerful exit from her car on Wednesday in London.
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Two for the road! Rachel Weisz stocks up during a trip to Whole Foods Wednesday in London.
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Hello, New York! Sarah Jessica Parker greets the day in New York City on Wednesday.