As massive fans of Riverdale, we're used to seeing Lili Reinhart as the sweet and bubbly Betty Cooper, but the actress actually has a very dark side . . . well, when it comes to Halloween. If you scroll back through Lili's Instagram, you'll quickly see that she's incredibly talented at creepy and special-effects makeup. From zombies to skeletons to creepy clown monsters, she brings her A game with her costumes every Halloween, and we really can't wait to see what she does this year. If you're in need of some last-minute inspiration for your costume, keep reading to see 25 of Lili's creepy and creative looks over the years.