Donato Sardella/WireImage
Bronwyn Barnes
Oct 26, 2011 @ 5:30 pm

Lauren Conrad took a break from writing her new beauty book to join Cat Deeley at the Hoss Intropia dinner, held at the Petit Ermitage Hotel in West Hollywood. Both ladies wore dresses from the newly-launched label. Click through to see Leighton Meester, Jennifer Lopez and more stars at last night's hottest events!

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