Sydney Sweeney got high at Stagecoach … and, we mean that literally — because Scooter Braun lifted her into the air on his shoulders.

Video is circulating online of the TV and movie star hopping on her man’s broad shoulders for a lift during the festival.

Check it out … these two are clearly couple goals — with Braun standing firm while Sweeney sang her heart out to an Ella Langley song.

Sweeney also rubbed elbows with a couple other stars … singing with fellow actors Ashton Kutcher and Mila Kunis later in the evening.

These four weren’t the only bold-faced names in attendance … check out our gallery to see what other celebs headed to the desert for the festival.