Logan Lerman talks about proposing to his fiancée on a rowboat in Central Park, finding out Julia Roberts is his celebrity look-alike and learning to sing with a Polish dialect for his role in We Were the Lucky Ones. The Tonight Show Starring Jimmy Fallon. Stream now on Peacock: https://bit.ly/3gZJaNy Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35ET/10:35c Get more The Tonight Show Starring Jimmy Fallon: https://www.nbc.com/the-tonight-show JIMMY FALLON ON SOCIAL Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon Follow Jimmy: https://www.instagram.com/jimmyfallon/ Follow Jimmy on TikTok: https://www.tiktok.com/@jimmyfallon THE TONIGHT SHOW ON SOCIAL Follow The Tonight Show: http://Twitter.com/FallonTonight Like The Tonight Show: https://Facebook.com/FallonTonight Follow The Tonight Show: https://www.instagram.com/fallontonight/ The Tonight Show TikTok: https://www.tiktok.com/@fallontonight Tonight Show Tumblr: http://fallontonight.tumblr.com The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show, including comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives. GET MORE NBC NBC YouTube: http://bit.ly/1dM1qBH Like NBC: http://Facebook.com/NBC Follow NBC: http://Twitter.com/NBC NBC Instagram: http://instagram.com/nbctv NBC Tumblr: http://nbctv.tumblr.com/ Logan Lerman on His Central Park Proposal and Julia Roberts Being His Celebrity Look-alike http://www.youtube.com/fallontonight #FallonTonight #LoganLerman #JimmyFallon