The truth behind Uma Thurman’s drastic new look has been revealed!

Kill Bill actress Uma Thurman caused quite the stir earlier this week when she appeared at a red carpet event with what appeared to be, well, a totally different face.

Twitter was soon awash with people speculating about whether or not the star had undergone cosmetic surgery to tighten the skin around her forehead and eyes.

However Uma's make-up artist has spoken out and claims the actress was simply trying out a new look with no mascara and an unusual eyebrow shape.

"The way I shaded her eyebrows with the pencil, I created an uplifting effect," said her longtime make-up artist Troy Surratt. "We experimented with the makeup," he said, adding that he was shocked by the media's negative reaction and quick assumptions.

"Frankly, I’m quite surprised by the conversation. By now I would have thought that we were all open to and knowledgeable of the role that makeup plays in the world of fashion and particularly celebrity, as a medium for creative self expression. I think that women should feel open and free to experiment with different beauty looks — it’s only makeup, at the end of the day it all washes off," said Troy to People magazine.

Uma was in New York for the premiere of her new NBC show The Slap, but was barely recognisable as she posed for photographers, with what looked like much more than a change of make-up kit.

However the actress was pictured just two weeks beforehand looking very much like her normal self:

Hmmm… we can't say we're big fans of the new look but we have to admit the actress is still looking fresh and fab at age 44!