Letting her luscious locks hang free, Olivia Wilde hosted the Revlon Luxurious ColorSilk Buttercream launch at the Royalton Hotel in New York City on Thursday (February 7).

The "Tron: Legacy" star looked beautiful in a black Talbot Runhof leather dress and Nicholas Kirkwood heels as she showed off the new hair color line.

Recently, the 28-year-old actress spoke about her awkwardness when it comes to modeling for promotional duties.

She told Australian news site news.com.au, "I'm not a trained model and never wanted to be. I bring a character into a photo shoot. I'll think of a story - why I'm there, what I want - and that keeps my interest and brings an engaging expression, not an empty stare."