The Olsen twins celebrated their 29th birthday on Saturday with an Olympic-themed party that pitted twin against twin – because why not? 

instagramView full post on Instagram

Sometimes it can be hard to tell the two apart, so we were glad to see the pair don slogan t-shirts with their guests, dividing them into Team Ashley and Team Mary-Kate. Though, personally, we've no idea how could you possibly choose just one.

But which sister came out on top? Ashley fought her way to victory this time, leaving us wondering if Mary-Kate ended up in the dunk tank. Either way, we're hoping for a rematch of epic proportions when the twins turn 30 next year.