Credit: Jennifer A. Uihlein Outdoor summer cocktail hour fun for these attendees during LIGALY's 16th Annual LGBT prom held at Crest Hollow Country Club in Woodbury on Thursday, June 30 ...

Costume designer Jessica Flaherty tells PEOPLE how she and Jenny Han landed on the beautiful lilac prom dress Belly wears ... gets her princess moment in The Summer I Turned Pretty season 2.