Week in and week out, Andy Cohen invites some of the biggest names in the world to join him on Watch What Happens Live  — and he usually gets them to spill some major tea about fellow superstars. From cultural icons to divas to Oscar winners, there is no celebrity that would miss the chance to chill with Andy inside the WWHL Clubhouse. And as it turns out, when the cameras aren't rolling many of those guests are in Andy's inner circle.

The WWHL host has certainly assembled a squad that would leave Taylor Swift green with envy. But the question is: Do you know Andy's pals? Take the quiz below to find out how well you know Andy's BFFs.

Celebrate Andy a little more with these throwback photos, below.