Timothée Chalamet surprised everyone at the A Complete Unknown premiere in New York City, debuting a blonde hair transformation. The Call Me by Your Name star stunned at the red carpet premiere in the Big Apple on Friday, December 13, at the SVA Theater, sporting his new hair only days after making an appearance at the Los Angeles premiere of the Bob Dylan biopic . Chalamet plays a young Bob Dylan in the James Mangold-directed film based on the Elijah Wald 2015 book Dylan Goes Electric .

The film follows Dylan as he moves from Minnesota to the Big Apple and the controversy around the use of electric instruments. RELATED: ‘A Complete Unknown’ World Premiere Red Carpet Photos: Timothée Chalamet, Elle Fanning & Monica Barbaro A Complete Unknown was co-written by Mangold and Jay Cocks, and it also stars Edward Norton, Elle Fanning, Monica Barbaro, Boyd Holbrook, Dan Fogler, Norbert Leo Butz, and Scoot McNairy. Ahead of the biopic’s premiere, co-star Norton praised Chalamet for his work ethic in giving life to Dylan.

“He was relentless. No visitors, no friends, no reps, no nothing. ‘Nobody comes around us while we’re doing this.

’ We’re trying to do the best we can with something that’s so totemic and sacrosanct to many people,” Norton told Rolling Stone . RELATED: ‘A Complete Unknown’: Timothée Chalamet Says Dylan’s Support Felt “Really Affirming”; He’s Never Thought Of A Music Career “In A Serious Way” Norton continued, “And I agreed to.