After a long night's work.... 💙 https://t.co/Qd7oH5AmDy— Demi Lovato (@ddlovato) יוני 9, 2015
Me and the boss rodriguez.... We worked from dusk till dawn.... 😜😈🐍 https://t.co/VXwePwte1q— Demi Lovato (@ddlovato) יוני 9, 2015
She'll apparently appear in episode 10, which is the season finale. EDIT: Looks like it's just a cameo.
Thanks to vehiclesshockme for teaching me to Embed Instagram, putting the pictures behind a cut:
Source #1, #2, #3