Taylor Swift and Calvin Harris continued their 2015 Countdown to Breakup Tour ... and this time they pressed the flesh in L.A.
Taylor made herself comfortable on Calvin's lap at Troubador, where they watched Haim perform -- the group that seems to have connected them. He cut a song with them, she's best buds with them.
Last week they unveiled their romance at a Kenny Chesney concert in Nashville.
And you gotta see the chaotic scene as they left. Get it while you can, paps.