Rachel Weisz: 'The Whistleblower' is a Dark Horse!

Rachel Weisz comes out to support her fiance, director Darren Aronofsky, at the premiere of his new movie, Black Swan, at Roy Thomson Hall during the 2010 Toronto International Film Festival on Monday (September 13) in Toronto, Canada.

The 40-year-old British actress wore an Oscar de la Renta dress, Cartier jewels, Stella McCartney shoes, and Roger Vivier Night Tube clutch.

At the premiere of her own movie, The Whistleblower, Rachel wore a Phillip Lim jumpsuit, Roger Vivier clutch and heels, and Cartier jewels,

During a panel about her movie, Ms. Weisz wore Isabelle Marant Jeans, Wren shirt and jacket, and Louboutin boots.

Rachel and Darren have much to be proud of. Their movies The Whistleblower and Black Swan are “Dark Horses” and “Contenders”, respectively, in the latest TIFF film round-up from The LA Times!

20+ pictures inside of Rachel Weisz working it at TIFF…