The Pretty Little Liars are headed to prom — for real this time! — and TVLine has your first look at Aria, Hanna, Emily and Spencer in all their formal glory.

On the Aug. 4 episode (ABC Family, 8/7c), the girls learn they’ve been banned from attending the Rosewood High prom for “security” reasons, inspiring their moms to throw a DIY dance in Spencer’s barn. They reluctantly agree to make the best out of a bad situation… unaware that Charles is secretly planning to make it “a night they will never forget.” Dun, dun, dun!

Oh, and here’s a little bonus scoop for ya: Not only do the girls’ moms plan the prom in Spencer’s barn, but they also use the night as a chance to “touch base on everything that has happened to their daughters.” (Guys, did you ever think you’d see the day?!)

Browse the full-sized photos of the girls below — I think it’s safe to say that costume designer Mandi Line truly outdid herself — then play Fashion Police in the comments section: Which Liar is best dressed?