Article continues below advertisementOctober 2017Source: MEGASydney Sweeney has always served fabulous looks throughout the years.During the world premiere of Dead Ant at the 2017 Screamfest Horror Film Festival 2017, the actress stole the spotlight with her fresh-faced charm in a short, black, textured dress. She paired the look with black, pointed-toe high heels.Article continues below advertisementDecember 2017Source: MEGASweeney flaunted her youthful glow in a red top with cut-out details and a high-waisted skirt at Refinery29's 29Rooms in December 2017.