Arnold's New Blonde vs. His Baby Mama Who'd You Rather?

2/26/2013 12:30 AM PST

Arnold Schwarzenegger's New Blonde vs. His Baby Mama: Who'd You Rather?

With his marriage to Maria Shriver over, Arnold Schwarzenegger was spotted out with a new hot mystery babe this weekend ... and it wasn't Patty Baena, his former maid with whom he had a secret son.

Question is ...