Fashion Chris Hemsworth Chops Off His Luscious 'Thor' Locks By Antoinette Bueno 12:08 PM PST, January 13, 2015 Getty Images Say goodbye to Chris Hemsworth's signature golden locks. The 31-year-oldThor star attended the Blackhat premiere on Monday night in Hollywood, surprising his fans with a much shorter coif. Let's take a closer look.PHOTOS: Chris Hemsworth's Hottest Shots Getty ImagesGetty Images... Still just as handsome, no?"I shaved the locks. I needed a trim," he explained to USA Today about his new 'do. "I have had long hair for like six years. And I got sick of it."And he's clearly much happier now with the low-maintenance look."Anyone who has long hair knows it takes a lot of work," he added. "It's all good. I can wake up and roll with the day without having to worry about it." Hemsworth's former super-'90s hairstyle created a stir on the cover of People magazine's "Sexiest Man Alive" issue in November, when he nabbed the coveted title.He also addressed some fans' thoughts at the time that the title actually should have gone to his younger brother Liam."Liam has been good, he's been a real team player for this one," he joked to Jimmy Kimmel during the big reveal. "We've been throwing sexy looks back and forth."NEWS: Chris Hemsworth on Liam's Bad Relationships -- I Had No Empathy for HimSpeaking of Liam, the Hunger Games heartthrob just so happens to turn 25 today! Check out all the reasons we love The Last Song actor, who gets his own title as the "Ultimate Hollywood Bro."Happy Birthday Liam Hemsworth, The Ultimate Hollywood Bro This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Related GalleryTwo Looks, One Star: Major Celeb Hair Transformations of the Past!