The most famous twins in the universe turn 26 today. Here are 26 things you just gotta know about them!
They had to wear fake teeth on "Full House" because they were losing teeth at different rates and needed to have the same smile
Via: tv.com
Ashley's middle name is "Fuller"
Source: ash-olsen.org
Mary Kate is a leftie, while Ashley is a rightie
Via: tv.com
At 6 years old, they became the youngest producers in Hollywood
Via: tv.com