By A Mystery Man Writer
The singer and her beau take part in Ariana Grande and Justin Bieber’s new charity single Stuck with You alongside many other A-listers.
Demi Lovato announces engagement to Max Ehrich
Demi Lovato's kisses boyfriend in 'Stuck with U' video
Ariana Grande, Demi Lovato Confirm New Romances in Stuck with U Music Video
Demi Lovato Is ''Really Happy'' With Max Ehrich, Shares PDA Clip
All Celeb Cameos In Ariana Grande, Justin Bieber's 'Stuck With U
Ariana Grande confirms Dalton Gomez relationship in music video
Demi Lovato calls her boyfriend Max Ehrich 'magic' as she shares a smooch with him
Demi Lovato & Max Ehrich's most romantic moments together
Celeb Couples in Ariana Grande and Justin Bieber's 'Stuck With U' Video
Demi Lovato's kisses boyfriend in 'Stuck with U' video
Demi Lovato's hunky new man 'loves her flaws and all' as she posts loved up snap - Mirror Online
Demi Lovato and Max Ehrich Share a Kiss in Ariana Grande and Justin Bieber's “Stuck With U” Music Video
Demi Lovato and Max Ehrich Break Up, Photos
Watch: Demi Lovato kissing and dancing with boyfriend Max Ehrich
Demi Lovato Kisses Boyfriend Max Ehrich in 'Stuck with U' Music Video