Momsen stays rosy in a bright skirt – and matching lips – at a bash in N.Y.C. Plus: Maks & Karina, Christina Aguilera, Johnny Depp, Mariah Carey and more

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Kelly Osbourne makes a splash, enjoying the surf while jet-skiing with fiancé Luke Worrall (not pictured) in Miami's South Beach on Tuesday, the same day she made her return to television with her family in the FOX special Osbournes Reloaded.