Sophia Lillis dolls up for the premiere of her new movie Nancy Drew and the Hidden Staircase held at AMC Century City 15 on Sunday (March 10) in Century City, Calif.

The 17-year-old actress was joined by her co-stars Laura Slade Wiggins, Linda Lavin, Zoe Renee, Melanie Leanne Miller, Evan Castelloe, Jon Briddell, and Mackenzie Graham.

Also in attendance were Coop and Cami Ask The World‘s Olivia Sanabia and Kim Possible‘s Ciara Wilson.

Nancy Drew and the Hidden Staircase hits theaters THIS Friday (March 15). Check out a new clip from the movie below!

FYI: Sophia is wearing a Rodarte dress, Miu Miu shoes, and APM Monaco earrings.