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Taylor Armstrong stopped by The Grove shopping center in LA for an interview with Extra to talk about her abusive past with now-deceased husband Russell ... and also to promote her new book, Hiding From Reality.

The mother of one has been very vocal about her tumultuous relationship with Russell on the Real Housewives of Beverly Hills three-part reunion special.

One of the personal tidbits that Ms. Armstrong shared on the Bravo reunion show was an incident in which Russell allegedly forced Taylor to take a polygraph test to prove she had been faithful.

See more of Taylor flaunting her full lips in the gallery below.