"Lights will guide ..." Kristin Cabot straight outta anything Coldplay-related -- 'cause she’s officially done with the band after that cheating scandal blew up her life last year. We caught up with Kristin at the PRWeek Crisis Comms Conference Thursday -- and she tells us after that jumbotron moment showing her cozy with her then-boss, Astronomer CEO Andy Byron ... Chris Martin never hit her up. Check the full video -- we ask if she wants him to reach out ... and whether she’d ever pull up to