The actress used Dubsmash via Instagram to lip sync a moment from the movie which saw her play two prankster twins. The biggest mistakes you never noticed in The Parent Trap (). Continuity mistake: When Annie has to jump in the lake "butt naked," she's standing on the. Hallie: [playing poker with Annie at camp] I'll tell you what. I'll make you a little deal. Loser jumps into the lake after the game. Annie: Excellent. Hallie: Butt naked.