Gaga channeled her inner Audrey Hepburn at the iHeartRadio Music Festival, while Tyra Banks went glam for the opera in NYC. Nicki Minaj does the funky chicken and Jennifer Aniston goes back to black. Check out last night's most stylish stars!
Tyra Banks attends the 2011 Metropolitan Opera Season opening night performance of "Anna Bolena" at The Metropolitan Opera House on September 26, 2011 in New York City.
( - Source: Jamie McCarthy/Getty Images North America)
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