Caught Stealing, which also stars Zoë Kravitz, follows former baseball player Hank Thompson, who unexpectedly finds himself entangled in a dangerous struggle for survival amidst the criminal underbelly of 1990s New York City. The film hits theaters on Aug. 29.

On August 19, Kravitz and Butler took their friendship to the next level. They coordinated in black-and-white for the crime comedy's London premiere. What's more, both A-listers wore head-to-toe Saint Laurent. Kravitz and Butler are brand ambassadors for YSL Beauty, meaning they had first dibs on creative director Anthony Vaccarello's looks.

Austin Butler almost cracked his rib shooting Caught Stealing. The 34-year-old actor — who plays Hank Thompson in the new crime comedy by Darren Aronofsky — filmed a scene where his alter ego gets "beaten" by two Russians,