Parties! The style, stars and scoop from Hollywood's hottest events

Gwen Stefani wound up her trip to the states with a press conference at New York's Hotel Gansevoort. The singer announced plans to develop a signature fragrance for her L.A.M.B. fashion line, due to arrive in stores next fall. Earlier this week, Gwen showed off her post-baby figure when she performed at the Billboard Music Awards in Las Vegas.