Following her landing, the “Roar” singer opened up about the journey and the telling moment she shared with her fellow space crew members up in the air. In an interview with Variety, Perry revealed she sang “What a Wonderful World” by Louis Armstrong when they were all airborne.

Pop star Katy Perry, one of the six women aboard Blue Origin's spaceflight, explained why she chose not to sing one of her own songs during the historic journey.