News Ben Affleck Looks Totally Retro and Amazing on the Set of 'Live By Night' By Alex Ungerman 2:39 PM PDT, October 30, 2015 FameFlynet Ben Affleck's looking old school! The Gone Girl star is in Brunswick, Georgia filming his new movie, Live by Night, where the 43-year-old star is totally rocking the 1920s look! An eyewitness tells ET that while on set, Affleck seemed "fairly happy" and seemed "to be enjoying himself." WATCH: Ben Affleck Shows Off His Muscles While Grocery Shopping With Jennifer Garner FameFlynetAffleck posted an Instagram of when the movie started filming on Wednesday, writing, "First day. First shot." View this post on InstagramA post shared by Ben Affleck (@benaffleck)WATCH: 7 of Hollywood's Friendliest Divorces Live by Night is a crime drama period piece based on the Dennis Lehane novel of the same name, which follows Affleck as an early-20th century mobster as he rises through the ranks. FameFlynetMeanwhile, Jennifer Garner was back in Los Angeles with the ex-couple's children -- 9-year-old Violet, 6-year-old Seraphina, and 3-year-old Samuel. WATCH: Ben Affleck Looks Like a Whole New Man After Shaving Off His BeardAffleck and Garner split in June, after 10 years of marriage. Despite this, the two were seen shopping together in Pacific Palisades last week. They've kept their relationship friendly for the kids, and continue to live in the same home.Watch the video below.Ben Affleck Shaved His Beard and Looks Almost Unrecognizable 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.