Ariana Madix and Kristen Doute’s catfights have been well documented by Bravo’s cameras on Vanderpump Rules.

But now, after wrapping Season 4, Ariana tells Life & Style that she's ending the war with her costar — by cutting off contact with her!

RELATED: 'Vanderpump Rules' Star Tom Sandoval Reveals, "I Want to Marry Ariana Madix"

“It’s a healthy thing to set boundaries for yourself,” the 30-year-old reality star tells Life & Style. “I just don’t want to be around somebody who has that capability to plot against other people.”

ariana tom sandoval vanderpump rules getty

Ariana with boyfriend Tom Sandoval.

During Season 2, Kristen accused Ariana of hooking up with her then-boyfriend, Tom Sandoval, which Ariana denied. But now, Ariana and Tom are dating.

RELATED: Jax Taylor Admits He Had Sex With Lindsay Lohan – Calls It "Bad"

Kristen, 33, offered an on-air apology to Ariana for all the drama, but she isn’t buying it. “It’s just self-serving manipulation,” Ariana tells Life & Style.

For more on all your favorite Vanderpump Rules stars, pick up the latest issue of Life & Style magazine, on newsstands now!