Mark Zuckerberg and Priscilla Chan have been together since college in the early 2000s. A lot has changed since then, including their style.

Mark Zuckerberg celebrated the 40th birthday of his wife, Priscilla Chan, cosplaying as a pop star. The billionaire, who arrived at the event in a classic tuxedo, stripped down onstage to reveal a sheer blue jumpsuit underneath.

Mark Zuckerberg pulled out all the stops at his wife Priscilla Chan's birthday bash, so maybe he's making up for getting caught glancing at Lauren Sanchez.