Gwen talks about Valentine's Day with Blake Shelton, giving Blake a flame thrower, her kids giving out Valentines in class, No Doubt reuniting to play Coachella, getting back together with the band, her new song Purple Irises, and we check-in on a local souvenir shop where Blake is doing some last minute shopping for Valentine's Day. Watch Jimmy Kimmel Live! WEEKNIGHTS 11:35/10:35c on ABC. Stream on Hulu.