On Monday night, the stars of HBO's trippy sci-fi hit, Westworld, turned out for the Los Angeles premiere of the show's second season. Pop star Katy Perry even made a surprise appearance to support her real-life best friend Shannon Woodward, who is part of the series' ensemble cast.
!["Rei Kawakubo/Comme des Garcons: Art Of The In-Between" Costume Institute Gala - Arrivals](https://hips.hearstapps.com/hmg-prod.s3.amazonaws.com/images/priyanka-chopra-nick-jonas-gettyimages-675852850-1534596752.jpg?crop=1xw:1xh;center,top&resize=480:* ""Rei Kawakubo/Comme des Garcons: Art Of The In-Between" Costume Institute Gala - Arrivals")
