filming set Kate Hudson something borrowed blonde trench Kate Hudson got blown away on the New York set of her new film, Something Borrowed Thursday afternoon.

Turning it on for the cameras, Kate displayed her trademark smile during the shot -- but as soon as the cameras were off, girlfriend looked like she needed a nap:

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I guess the rigors of being a single working mom (with an active social life!) are finally getting to her.

In the film, Kate plays a self-centered bride whose best friend falls in love with her fiance. Sounds a bit formulaic, but totally cute!