Last year, Bridges and Bullock took home the Best Actor and Best Actress Oscars for their leading roles in Crazy Heart and The Blind Side, respectively. Bridges is a five-time Oscar nominee, who can next be seen in True Grit and Tron: Legacy, both due out this month. Bullock will appear next in Extremely Loud and Incredibly Close.
Tomei has received three nominations and won an Oscar in 1992 for her supporting role in My Cousin Vinny. She is currently shooting The Ides of March and will be seen next in Crazy Stupid Love and The Lincoln Lawyer.
Winfrey was nominated for an Oscar for her supporting role in The Color Purple. She recently lent her voice to the character Eudora in The Princess and the Frog and served as executive producer of 2009 Best Picture nominee Precious.
Academy Awards for outstanding film achievements of 2010 will be presented on Sunday, February 27, 2011, at the Kodak Theatre at Hollywood & Highland Center, and televised live on the ABC Television Network. The Oscar presentation also will be televised live in more than 200 countries worldwide.