Remember that time Jennifer Lopez [1] channeled her inner nerd during her appearance on Jimmy Fallon's infamous "Ew!" sketch [2] on The Tonight Show? Well, you should. As Gabby, Jimmy's character's "really shy" BFF, the (normally) supersexy star [3] wore pigtails, a cat sweater, and colorful socks, and midway through the hilarious scene showed off her amazing twerking skills to Rihanna [4]'s "Work." Admire her geek-chic dancing skills over and over again in the glorious GIF above, or watch the whole thing unfold in the full-length video [5] below.