Becky Lynch and Seth Rollins chat with ET's Ash Crossan about their excitement for WrestleMania 39, taking place in Los Angeles. Plus, the couple explains overcoming jealously with each other's career milestones. The WWE Superstars also dish on their Batman and Joker voices. WrestleMania 39 streams live at 8 p.m. ET/5 p.m. PT on Saturday, April 1, and Sunday, April 2, exclusively on Peacock.