Astrid S on Getting Shawn Mendes's Digits & Loving Zac Efron

The amazing Astrid S is in the Young Hollywood where she takes on the Game of Firsts! Find out the first TV show she ever watched, her first celebrity crush (100% relatable), what "Game of Thrones" star got her totally starstruck, and more! Plus, hear the scoop on her getting Troye Sivan and Shawn Mendes's phone numbers!