Halston Sage & Dave Franco Are All Smiles at the 'Neighbors' L.A. Premiere!

Halston Sage sparkles in black as she attends the premiere of her new film Neighbors held at Regency Village Theatre on Monday night (April 28) in Westwood, Calif.

The 20-year-old actress was joined on the red carpet by her co-stars Dave Franco and Christopher Mintz-Plasse.

PHOTOS: Check out the latest pics of Dave Franco

According to THR, Halston has just been cast in two films – Goosebumps and Scouts vs. Zombies. The first is based on the famous books by R.L. Stine and the second follows three scouts who must save their town from a zombie outbreak.

FYI: Halston is wearing a Christian Dior dress, Stuart Weitzman shoes, Neil Lane jewels, and a Charlotte Olympia bag.

10+ pics inside of Halston Sage, Dave Franco, and Christopher Mintz-Plasse at the premiere…