Superyacht summer is officially in full swing, with a host of stars seen living it up on the high seas this week. So who else has taken to the high seas this week? She even feels so comfortable on the high seas that she chose to marry musician Tom Kaulitz on a luxury yacht in Capri in 2019. Yet Max jumped overboard on Wednesday as he was seen showing off his hoverboarding skills while his luxury yacht passed along the coast of Sardinia. Katy PerryKaty Perry and Justin Trudeau have not yet been spotted on a luxury yacht but they have taken to the high seas on a rubber dinghy this weekKaty Perry and Justin Trudeau have not yet been spotted on a luxury yacht but they have taken to the high seas on a rubber dinghy.