The cute couple showed off their 1920s couple costume ahead of Nick’s hosting gig at 1OAK in Las Vegas on Halloween night (October 31).
“Just had a feast! Thanks @StackLV for the amazing meal. Now time to turn it up @1OAKLV #vegasnights,” Nick tweeted just ahead of the event.
WHAT DO YOU THINK of Nick and Olivia’s couple costume?
20+ pics inside of Nick Jonas and Olivia Culpo…