JLo talks about Brie Larson being a gigantic fan of hers and fangirling on the Golden Globes red carpet, meeting her idol Barbra Streisand, rehearsing for her big tour, celebrating her 55th birthday while she's on tour in Tulsa, Oklahoma, her twins being sixteen, her big new action movie Atlas, her favorite action movie of all time, and whether or not she would ever be a judge on 'American Idol' again. Watch Jimmy Kimmel Live! WEEKNIGHTS 11:35/10:35c on ABC. Stream on Hulu.