• Mary-Kate and Ashley are fraternal twins
• Throughout their whole career they have been in more than 100,000 newspaper and covers on magazines around the world.
• The twins sign is "Gemini" is it a coincident  that the twins are twins. Gemini means Twins in Astrology.
• The twins were born on Friday the 13th.
• Jack Osbourne has had a crush on Mary-Kate
• Mary-Kate was nominated for an Emmy award for her role as Riley in "So Little Time"
• Ashley and Mary-Kate became the youngest producers in American history
• They hate being called "The Olsen Twins" - They wants to be seen as individuals
• At 17, they were rated 2003's 2nd hottest teen female stars
• Also they ranked #61 in FHM's '100 Sexiest Women' poll of 2003
• Mary-Kate and Ashley were the first twins ever to receive a Hollywood sidewalk star
• As kids, it was said that their furture plans were to "Continue acting, singing, and growing up happily"
• As kids, the girls favorite colors we hot pink (Ashley) and purple (Mary Kate)
• Mary-Kate is left-handed while Ashley is right-handed
• They both missed their high school prom to host Saturday Night Live
• For So Little Time, Mary-Kate got an Emmy nominee, while Ashley didn't
• In July 2005, Ashley appeared on the cover of a magazine for the first time without her sister ("Harpers Bazaar").
• They think it's all right that some people can's see the difference between them
• At their 16th birthday they received Range Rovers: Mary-Kate's is green, Ashley's is black
• Ashley's middle name "Fuller" is her mother's maiden name
• Favorite movies as kids: Aladdin and The Little Mermaid. Aladdin was no doubt a favorite because the voice of Aladdin was Full House co-star, Scott Weinger (DJ's boyfriend, Steve.)