Blake Lively: Diet Pepsi's New Can Launch!

Blake Lively strikes a pose in a Valentino dress with a sheer back at the launch of the new Diet Pepsi can on Friday (February 11) at NYC’s Diet Pepsi Style Studio.

The 24-year-old Gossip Girl star accessorized with Lorraine Schwartz jewelry and Christian Louboutin shoes.

Inside the soiree, Blake met up with Barneys New York Creative Ambassador-at-Large Simon Doonan, who created a fashion inspired installation made out of the Diet Pepsi can.

Also attending the launch: Blake‘s Gossip Girl co-stars Kelly Rutherford and Matthew Settle, along with Brooke Shields and Gabrielle Union.