Young (and young-ish) Hollywood rocked up at the Us Weekly Hot Hollywood party last night in Los Angeles. And for once, the fashion choices made by the stars (or at least their stylists) were universally impressive. Check out some of the biggest names here.

Loved up Ashlee Simpson and her Fall Out Boy Pete Wentz breezed into New York City today where they are helping to open the trendy new club Runway. Ashlee and Pete held hands as they walked through JFK arrivals, aaaaahhhhh!