Gwyneth Paltrow, Reese Witherspoon & More Of This Week's Best Dressed

Spring is finally here and if you don’t believe us just look at Olivia Palermo. On Thursday evening, the socialite and fashionista favorite arrived to the 9th Annual Delete Blood Cancer Gala in New York wearing a floral appliqué dress from Marchesa’s Spring 2015 collection. Olivia wasn’t the only one in full bloom. Actress Kate Bosworth was seen in a seventies style flared overalls from Frame Denim, worn with a simple white tank. Back in L.A.., Jaime King arrived to the premiere of “Dior and I” flaunting her baby belly in a long-sleeve sequin Dior dress from the Spring collection. From Elizabeth Olsen in a black and white Galvan number at the world premiere of “Avengers: Age Of Ultron,” to Reese Witherspoon’s Oscar de la Renta frock at the launch of Tiffany & Co. Blue Book Collection celebration, here are the rest of this week’s best dressed.

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