When we found out that Chrissy Teigen was cohosting the Billboard Music Awards, we knew she'd bring the laughs as well as some killer fashion. What we didn't expect? That's she'd show us her underwear in a see-through dress that rivaled that of J Lo's. Sexy is definitely Chrissy's signature style, but what did you think of this look? Scroll through to see it in full, then let us know in the poll.