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 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.

Turned forty surrounded by family, friends, laughter and dance," Chan captioned a series of stylish party snaps