The "Small Talk" singer attended the event to support her beau, who is starring on the show alongside Cara Delevingne. The fantasy drama - which premieres on Aug. 30 - centers around a world in which humans and mythological creatures are at odds. But that doesn't stop a human detective named Rycroft Philostrate (Bloom) and a fairy named Vignette Stonemoss (Delevingne) from having a dangerous love affair.
Katy and Orlando's outing comes six months after they got engaged on Valentine's Day. Katy shared the exciting news