Nev Schulman and Jenna Johnson are ready to slay '80s Night on !The dance duo virtually invited ET to one of their rehearsals for the dance competition show, where they teased what fans can look forward to on Monday when they perform a Quickstep to «Take on Me» by a-ha.«You can expect lot of bright colors, neons, and lots of big hair, for sure,» Nev told ET's Lauren Zima.