Justin Timberlake Is One Hot '50s Lifeguard on the Set of Woody Allen's Latest Film -- See the Pic!

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Someone's bringing sexy back!

Justin Timberlake whipped out his best vintage swimsuit for a day at the beach in New York on Friday, but don’t think he’ll show off his board shorts for just anyone.

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The 35-year-old singer donned the '50s-inspired duds -- complete with a whistle and a set of binoculars -- while filming a scene for Woody Allen's latest film.


Timberlake stars opposite Kate Winslet, James Belushi and Juno Temple in the untitled movie, and details on the plot are being kept under wraps. 

RELATED: Justin Timberlake and Kate Winslet Officially Join the Cast of Woody Allen's Next Movie

However, Timberlake was much more candid while discussing another upcoming project: a concert film! Audiences will have a chance to see Justin Timberlake + The Tennessee Kids starting Oct. 12 on Netflix.

"There's not a character that I can sort of hide behind," the "Mirrors" singer told ET of what it was like to have the final two shows from The 20/20 Experience World Tour filmed. "I wasn't sure how I was going to feel about it."

See more in the video below.