Saturday Night Live Tweeted THIS photo from Taylor Swift's appearance on the show.

Taylor is wearing the David Koma Blue One-Shoulder Sequinned Mini Dress. Buy it HERE and HERE!
Get the look for less HERE!
#TaylorSwift #oneshoulder #oneshoulderdress #navydress #sequindress #SaturdayNightLive #SNL #AllTooWell #IBYTAM #IBetYouThinkAboutMe #DavidKoma