- She hates the nickname Rosie and has no idea why sites on the internet state that she loves being called it.
- Is of Puerto Rican, Cuban, African American, Irish and Native American descent.
- Rosario is right-handed.
- Rosario's brother, Clay, is a bouncer at infamous New York strip club "Scores".
- Her family moved to Texas in 1995 and Rosario didn't want to tell kids in her school that she was in the movie Kids. When the producers were putting the premiere for the film together, Rosario headed back to New York and lived with her uncle Frank.
- Has been known to DJ. When asked to demostrate during an interview, Rosario stated she has "spun before".
- Had a doll made in her like-ness to promote Josie & The Pussycats. Rosario wasn't impressed with the first version and asked for the skin to be darker and her hair to be kinkier.
- Met her boyfriend through a friend and their first date was a double-date to see the movie Eternal Sunshine Of The Spotless Mind.
- Took guitar lessons from Dawson's Creek star Joshua Jackson and one time co-star Eddie Murphy.
- Rosario had a crush on former Beverly Hills 90210 star, Luke Perry. She would even write on her notebooks "Rosario Perry", "Rosario McKay", "Rosario McKay Perry".
- During the Clerks 2 film premiere in Cannes France, the film recieved a 8 minute long standing ovation from the audience.
- In 2002, Rosario took a civil engineering course at Columbia University. She later applied for full enrollment and was rejected.
- Rosario's hobbies include knitting, skeet shooting and playing guitar.



Death Proof (2007)
Descent (2007)
Killshot (2008)


















