Stassi Schroeder claims she and Scheana Marie "clash a little" on Vanderpump Rules.

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Schroeder and Marie's relationship has been strained for years on their Bravo series. Although the pair have been friends on and off, they were off during filming on season three, and on, last night's episode, it showed.

"I was kind of caught off guard when she wouldn't serve me. I genuinely do not know what I have done to her, yet she has all of this hostility towards me," Schroeder wrote in her blog on Tuesday, recalling the moment Marie suggested she go to the bar for a drink. "I think it's just a case of two different people whose personalities clash a little. It doesn't mean either of us are bad people, we're just different."

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Also in her blog, Schroeder addressed her comments regarding her gig as one-time stylist to Lisa Vanderpump. As Schroeder tended to her duties in a super-casual manner, fans questioned her professionalism. However, according to Schroeder, she was acting aloof because she's not an actual stylist.

"I have a fashion blog, and sometimes friends ask me to style them, but I'm not a stylist," she explained. "I truly looked at this shoot as a fun day hanging with Lisa, because let's be honest, she is going to wear exactly what she wants to wear. I'm just there to help her out. I had a great time that day and the photos of her were absolutely stunning."

For more of the Vanderpump Rules cast, tune into season three every Monday night at 9 p.m. on Bravo.

Tags: Stassi Schroeder Scheana marie vanderpump rules