The Easiest Way to Tell the Difference Between Mary Kate and Ashley Olsen on Full House

By:Victoria Moorhouse

Jan. 23 2014, Published 8:39 p.m. ET

You've no doubt watched the Full House episode where Michelle Tanner meets her lookalike cousin. Twin alert! It's not like you'd need help remembering it, but that's a perfect example of when Mary Kate and Ashley Olsen were clearly acting on screen together. They played the same character during the sitcom's run, so it didn't happen that often.

But we'd be lying if we said we never wondered which girl was acting in each episode—as little girls, they were really, really hard to tell apart. Apparently, there is one way to figure it out, dude.

Article continues below advertisement

The 12 Best Pets From Full House, The Office, and More!

According to a Your Tango article that highlights 23 cool and relatively unknown facts about the oldie but goodie show, you can tell that Michelle is being played by Ashley Olsen when you see a freckle above her lip. If there's no freckle, it's Mary Kate!

We're still waiting to find out what brand of shampoo and conditioner Uncle Jesse used. Speaking of the Greek yogurt king, did you see his Super Bowl commercial featuring Danny and Joey? It's too good to be true.