Blake Lively lace-up for Spring 2011 Eyewear Collection launch at Tiffany and Co. stores, 30 September in New York City.She was wearing a different dress Elie of The Late Show with David Letterman earlier this week. The 23-year-old Gossip Girl actress wore a second Elie Saab number - a wine-colored tulle knee length dress with black lace detail. Blake finished her look with Christian Louboutin shoes.