SEXY SCENE-STEALER IS DATING DAVIDSON!

ANDIE MacDOWELL must be pulling at her roots!

Her stunning 24-year-old daughter, MARGARET QUALLEY — a sassy scene

stealer who managed to upstage BRAD PITT in their flick, Once Upon a Time in … Hollywood — has chosen none other than troubled pothead PETE DAVIDSON, 25, as her new boyfriend. No kidding. The rising star’s now dating the SNL comic, who’s notorious for wooing famous gals like LARRY DAVID’s actress daughter CAZZIE DAVID, 25, and pop star ARIANA GRANDE, 26. It doesn’t take a psychic to predict where this new romance is headed.