The Olsen's Bash for Cash

 Image by Splash News

Mary-Kate and Ashley Olsen may have just turned 21 years old, but these mini moguls know their worth--and how to cash in on it.

According to the NY Daily News, the Olsens have reportedly put a $300,000 price tag on exclusive pictures from their lavish 21st birthday, which they celebrated on the weekend in Los Angeles.

"They are selling them through photo agency JPI," says an insider.

Now that's what I call, 'Ballinnn'