Blake Lively is Marchesa Mesmerizing

Blake Lively strikes a pose at the Marchesa Spring 2010 Presentation at the Chelsea Art Museum on Wednesday (September 16) in New York City.

The 22-year-old Gossip Girl actress donned a Georgina Chapman for Gerrard Collection get-up and accessorized with Christian Loubotin ankle booties.

Yesterday, her co-star Leighton Meester exclusively told JustJared.com that she and Blake will be presenting Best Guest Appearance at Sunday’s Emmy Awards.

15+ pictures inside of Marchesa mesmerizing Blake Lively…