By

Olivia Craighead,

a news writer for The Cut who covers pop culture and celebrity.

Previously, she wrote about pop culture and entertainment at Gawker.

In the 11 months that they’ve been dating, Katy Perry and Justin Trudeau have been all over the world. They’ve dined in Montreal, gone to a sumo-wrestling show in Tokyo, and danced to Justin Bieber at Coachella. On Monday night, they took their relationship to both a new level and a new location: a red carpet in New York City.