Blake Lively let her hair do all the work on the set of Gossip Girl today. The stunning actress looked sexy in a tight pair of dark skinny jeans and an equally tight top that made her tousled blonde locks shine.

OK! GALLERY: BLAKE LIVELY & RYAN REYNOLDS' BOSTON SLEEPOVER

Blake, 24, returned to set after spending some time in L.A. with her boyfriend Ryan Reynolds. Lucky lady!

OK! NEWS: BLAKE LIVELY OPENS UP ABOUT LEONARDO DICAPRIO & NEW BEAU RYAN REYNOLDS!

The official poster for Blake's upcoming film, Savages, has also been released this week. The film, which also stars Taylor Kitsch, hits theaters July 6.