PHOTO GALLERY: Oprah Winfrey, Mariah Carey, Tyler Perry, Sherri Shepherd, Gayle King and Mary J. Blige arrive for the world premiere of Precious

Likely the biggest event of TIFF 2009, the premiere of Precious: Based on the novel “Push” by Sapphire took place last night at Roy Thomson Hall. We were there to capture these 20 photos of Oprah Winfrey, Mariah Carey, Tyler Perry, Sherri Shepherd, Gayle King, Mary J. Blige and others.

Want more Oprah? Check out our full report of the event here>>