Ashley is older than Mary-Kate by two minutes.

Ashley and Mary-Kate are not identical twins. Ashley is an inch taller than Mary-Kate, and has a freckle above her lip. She is also right-handed, while Mary-Kate is a lefty.

The twins got matching Range Rovers for their 16th birthday.

Ashley and Mary-Kate skipped their prom to host Saturday Night Live.

Although she’s a billionaire and now an established fashion designer herself, Ashley still put in time as an intern for fashion designer Zac Posen. She traced patterns, pinned dresses and sat in on fittings.

One of Mary-Kate’s favorite movies is Secretary, starring Maggie Gyllenhaal. She told W she’s seen “at least, like, a hundred times.”

When Mary-Kate and Ashley wore bandannas in one of their direct-to-video movies, it sparked a run on bandannas in the United States. This gave them the idea to start a line of clothes.

Mary-Kate, who downs two to four Starbucks drinks a day, has been drinking coffee for much of her life. “I remember at 10 sneaking my own coffee and pouring a ton of sugar in and going up to the playroom and drinking it,” Olsen told W magazine in January 2006.

At the age of 6, Mary-Kate and Ashley became the youngest producers in movie history.

In Full House, both Ashley and Mary-Kate had to start wearing fake teeth, because their teeth began to look different as the grew.

They were credited as “Mary-Kate Ashley Olsen” in the first few seasons of Full House.

Mary-Kate and Ashley became America’s youngest self made millionaires before they were ten.

Mary-Kate’s reported shoe size is 6.5, while Ashley’s is 5.5.

Mary-Kate and Ashley were in Brownies when they were little.

Fashion designing has always been a passion for them. Ashley studied it at NYU.

They got slimed at the Nickelodeon Kids’ Choice Awards in 2004.

So Little Time was picked up without shooting a pilot episode.

In 1991, Mary-Kate and Ashley had the second highest TVQ ratings on television, second only to Bill Crosby.

In 2002, Mary-Kate was nominated for a Daytime Emmy for her role in So Little Time.

They only use bodyguards at premieres, when they’re in New York, or when they’re filming.

Mary-Kate went to their dad’s second wedding, to Mackenzie, and Ashley stayed home with their mom.

via people, IMDB, Mary-Kate and Ashley Fan