Justin Trudeau's son Xavier Trudeau shared his thoughts on his dad's romance with Katy Perry. While chatting with influencer G Hobs in a recent video, Xavier, 18, opened up about his dad's connection with Perry, 41. "Let's address the elephant in the room. Have you met Katy Perry?" Hobs asked, to which Xavier replied with a smile, "Yeah, I have." He elaborated, "She's cool. Yeah, she's nice," before revealing the pop star has given him advice on his own musical career. "Yeah! We've talked for, like, hours, talking about my music," Xavier said.