Instagram/Katy Perry & Justin Biebe Music Katy Perry jokes about Justin Bieber's Coachella set during date night with Justin Trudeau. Her viral comment on his unique performance sparks buzz. April 12, 2026 AceShowbiz - Katy Perry appeared to make a thinly veiled joke about Justin Bieber's headline performance at Coachella while enjoying a date night with her boyfriend, Justin Trudeau. The 41-year-old singer shared several clips and photos from the California festival on Instagram, where she and the former Canadian Prime Minister watched Bieber's much-discussed set.