By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor

The Oscars are just a few weeks away, and the festivities are already underway!

It was a star-studded afternoon in Beverly Hills Monday, as this year’s most impressive actors including Brad Pitt, George Clooney and Rooney Mara hit the 2012 Academy Awards nominations luncheon dressed to thrill and suited up in designer duds – and Breaking Celebrity News has all the photos and details.

Best Actor nominee Brad Pitt looked absolutely dapper in Louis Vuitton, while his Moneyball costar and Best Supporting Actor nominee Jonah Hill wore a Boss Black suit.

As for Best Actress nominees, Michelle Williams rocked a totally Posh Victoria by Victoria Beckham frock, Rooney Mara looked utterly sophisticated in a Thierry Mugler jacket and an Asos jumpsuit, Viola Davis electrified in a hot pink Juan Carlos Obando number, Glenn Close sported Stella McCartney