Last week, Guest of a Guest attended the 21st Annual Sinatra Soiree, and yet again the "Summer Ahoy" cocktail attire was in full swing. We tapped popular fashion blogger Lauren Wynns of Necessary-and-Proper.com to pick the best dressed looks from the event. Here's what she liked...and if you like something too, please Pin it!

The Guest List

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Salvatore Ferragamo• Manolo Blahnik• Jimmy Choo• Michael Kors• Juicy Couture• J. Crew• Tibi• Cole Haan• Lilly Pulitzer• Brooks Brothers• Anthropologie• Vineyard Vines• preppy• DC Fashion• Steve Madden• Sperry• Oliver Peoples• capital club• sinatra soiree• Best Dressed• Neiman Marcus• dolce vita• asos• Tyler Boyd• South Moon Under• Diana Minshall• Ted Baker• Allison Somers• David Van Fleet Bloys• Necessary and Proper• Will Cox• Matt Duckworth• Pogson Davis• Mayfair London• Smathers & Branson• Devin Carroll• Jamie Kunkeo• Sylvia Augustyn• Brent Powers• Itallia• Elizabeth Cole