Hollywood's Sexiest Shirtless Men

Nick Lachey

Let's just imagine this is the man you saw outside your skyscraper building! 98 Degrees singer Nick Lachey made this summer day even hotter when he posted this Instagram pic on July 23, 2014, writing: "Got caught by @vanessalachey cleaning the skylights on a 102 degree day in the valley!! #dirtywork."

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