We're so excited that the new Disney Channel Original Movie, Invisible Sister, is finally premiering this Friday night. The characters all get to wear fun and festive Halloween costumes for the cool flick, and we can't wait to see them all!
In anticipation of the big movie event, we asked the stars of the movie to share some fun memories of their own fall holiday experiences – and dish on their fave costumes they ever got to wear trick-or-treating.
Click through the gallery to see new pics from Invisible Sister, plus stars' very own childhood throwback pics. Along with each photo, find out about their favorite Halloween memories and their most memorable costumes ever.