Natalie Portman and Mila Kunis say Black Swan director Darren Aronofsky tried to stoke a feud between them while on set in order to mimic their on-screen rivalry.

Mila Kunis recently told Vogue magazine while marking the 15th anniversary of “Black Swan” that her preparation for the ballerina thriller consisted of “a lot of dancing and very little eating.” Kunis starred in the Darren Aronofsky-directed film as Lily,

“Black Swan” director Darren Aronofsky confessed that he tried to cause tension between Natalie Portman and Mila Kunis during production of the 2010 twisted ballet thriller. The Oscar-nominated filmmaker, 56, spoke about how he attempted to pit the women against each other in an interview with Vogue while celebrating the flick 15 years later.