"YOU TEENS KEEP ME YOUNG!!!" tweeted the 30-year-old Hale, who played a high school student for more than a decade, from 2008's Privileged to Pretty Little Liars 2018's Dude. Dobrik will join her as her co-host. Hale previously hosted the Teen Choice Awards in 2013 with Darren Criss. The Teen Choice Awards air on Sunday, Aug. 11 on Fox.