The actress sat down with her co-star Natalie Portman to celebrate the film's 15-year anniversary for an interview with Vogue. As the pair discussed their preparations to play rival ballet dancers, Kunis admitted it was a gruelling process.

The longtime couple met in 1998 and have been together since 2012.

Meanwhile, her former That ’70s Show costar went a bit more casual with his look, choosing a light gray, long-sleeve tunic top, which he paired with navy blue slacks and white sneakers, while popping on a baseball cap to round things out. It also appeared as if he had folded up his sunglasses and placed them in the front pocket of his shirt.

From her early days as a teen star to her later roles in dramatic films and her work as a producer, Mila Kunis has forged a career that is as versatile as it is successful Born Milena Markovna Kunis in Soviet Ukraine,

Black Swan opens in theaters in IMAX on August 21 and August 24. Be sure to check out Collider for more special event screenings.