The Instagram carousel arrives amid Perry's travels to Japan, where she has been performing dates on her ongoing Lifetimes Tour. During her visit, the "Dark Horse" singer joined Trudeau as he met with former Japanese Prime Minister Fumio Kishida and his wife, Yuko, following a formal lunch.

Katy Perry proved "California girls" were unforgettable all over the world, including a lunch date in Japan.

On Dec. 3, the pop star joined the former Canadian Prime Minister on his diplomatic stop in Japan to visit the country's former Prime Minister Fumio Kishida and his wife, Yuko.