Jennifer Aniston is dating "Sex And The City" star Jason Lewis, it has been claimed.

The "Friends" star saw in the New Year in Mexico's exclusive Los Cabos resort with best pal Courteney Cox and her husband David Arquette and a goateed mystery man, revealed to be model-turned-actor Jason.

A source told America's OK! magazine, "Jason flew out with Jennifer, Courteney and David on a private jet from California last week. He and Jen have been seen hugging on the beach as they enjoyed the sun together."

The 38-year-old actress and the 36-year-old model have been rumored to be dating for weeks, but have chosen to take their relationship to the next level by starting the year together.

Jennifer briefly dated British model Paul Sculfor last year and was also rumored to have rekindled her romance with her "The Break-Up" co-star Vince Vaughn for a short time.

Jason - who plays Samantha's toyboy lover Smith Jerrod in the "Sex And The City" movie - previously dated actress Rosario Dawson for two years.

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