Blake & Penn are a Juicy Couple

Gossip Girl stars and real-life couple Blake Lively (in 3.1 Phillip Lim) and Penn Badgley celebrate at the opening party for Juicy Couture’s 5th Avenue flagship store in New York City on Thursday.

So why does Blake, 21, love Juicy style? She told ET: “They’ll take basic things and make them really fun and flirty.” As for Penn, he likes how “incredibly comfortable” the pieces are.

Fellow fans at the new Juicy boutique included Gossip Girl‘s Jessica Szohr, Sarah Michelle Gellar, Molly Sims, Abigail Breslin (who loves the charm bracelets) and comedian Sarah Silverman.

25+ pictures of juicy couple Blake Lively and Penn Badgely after the jump…