Who's faking? Vanderpump Rules' Kristen Doute and Lala Kent battle it out in the first part of the Bravo series' season 4 reunion on Monday, March 21, as seen in a sneak peek.

The two Sur employees butt heads after Doute says she resents Kent for "f--king around with my ex-boyfriend [James Kennedy]." 

She adds about Kent, "I don't like the things I've seen on social media that she's said about my friends."

Kent replies, "I don't like the things that you've said either, and I gave you a chance, and I feel like you gave me one, and it was almost like it was fake. Like, 'How does this benefit me if I'm friends with Lala?'"

Doute fires back at the Sur host, "I'm like the least fake person you will ever meet!"

Watch the dramatic clip in the video above, which includes Tom Sandoval accusing ex-girlfriend Doute of attempting to break up Katie Maloney and Tom Schwartz's relationship.

Vanderpump Rules airs on Bravo on Mondays at 9 p.m. ET.

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