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.