By Jen Heger - Breaking Celebrity News Assistant Managing Editor

Taylor Armstrong is firing back at critics who claim she is an alcoholic, something she vehemently denies, even in the face of her ever increasingly erratic and inappropriate behavior, Breaking Celebrity News is exclusively reporting.

As previously reported, Taylor got drunk at her co-star Kyle Richards' daughter Portia's fourth birthday party over the weekend, and it was all caught on camera for the upcoming third season of The Real Housewives of Beverly Hills. There has been increasing concern among the ladies about Taylor's drinking problem and that has only been intensified following her weekend behavior.

"Taylor is in absolute denial that she has a drinking problem," a show insider tells Breaking Celebrity News. "She is telling her close friends and fellow housewives that she isn't an alcoholic. Taylor says she can quit drinking at anytime, that she only drinks at night and that she has it under control. However, Taylor did get absolutely wasted at a four-year-old's birthday party and her daughter Kennedy saw the entire thing. No, Taylor doesn't ever drink and drive but she clearly has a problem and her daughter is witnessing her mother's sad downward spiral, just months after her own father killed himself. Taylor always says she will quit drinking and take her vitamins, but then she resumes drinking within a few days. Taylor doesn't realize that she can go into liver failure and d