Rarity is in vain. The dresses she's been making just haven't been working out the way they're supposed to. The glittery dresses aren't glittery, the white dresses look gray, when she adds a train to a dress they look like a rumpled piece of fabric attached to a wad of colored cloth. Worst of all, Rarity has the honor of creating Princess Celestia a dress for the biggest party in Equestria. can she get this all under control or will the Princess wear a horrible dress to the party?