Scarlett Johansson's Scottish Birthday Bash -- All the Details!

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Scarlett Johansson wasn't surrounded by a special someone on her 27th birthday. Instead, the actress celebrated the occasion with crew members on the set of her new sci-fi flick Under The Skin in Port Glasgow, Renfrewshire, Scotland Tuesday.

According to The Scottish Sun, the actress -- who announced her split with husband Ryan Reynolds nearly one year ago -- was surprised to see people gathered in a lane between houses in the wee hours of the morning.

When a cake in the shape of a white van was wheeled out, Johansson reportedly said: "I can't think of a better place to have my birthday. It's been the best."

"Thank you all for the birthday wishes," she added. "It means a lot."

Under the Skin stars Johansson as an alien who invades earth to abduct hitchhikers and take them back to her home planet, where human meat is considered a delicacy. Her next movie, We Bought a Zoo, hits theaters December 23.