Note to big boss guys: If you're going to hook up with underlings at the company Christmas party, try to avoid leaving photographic evidence.

That goes for you Russel "It's-Better-With-Butter" Simmons, Yelp's co-founder, chief technology officer, and hottie in charge.

An anonymous tipster submitted photos that seem to capture Simmons getting semi-freaky with a company employee in a photo booth.

To see the full seduction, follow the jump.

Maybe Simmons' new Audi helped seal the deal . . .

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