Blog, PREMIERE · January 26, 2017Elle Fanning In Lanvin At “Sidney Hall” Sundance 2017 Premiere Elle Fanning attends the “Sidney Hall” Premiere – 2017 Sundance Film Festival at Eccles Center Theatre on January 25, 2017 in Park City, Utah. She wore a Lanvin Resort 2017 top She styled her look with a pair of Jenni Kayne Fall 2016 pants.