VIDEO : Tristan Thompson?s 'Other Woman' Didn't Know He Was Dating Khloe

One of the women who allegedly hooked up with Tristan Thompson didn?t know he was dating Khloé Kardashian. Friends of the woman, whose name is Marie, say she thought Thompson's relationship with Kardashian was casual. The recently found surveillance footage of Thompson and the mystery women is from last October. The insiders say when Marie found out that the reality TV star had been dating the NBA player for over a year, she cut off the fling.