Brandi may be a tad earthy, but I suspect she's not a liar- the Gerard Butler statement rolled off her lips in an unconstrained manner, sounding very truthful. Brandi wants to be accepted; she's trying to keep in the RH game, so she gives out info. The worst thing I've see from her is on RH episodes; she apparently decided to be an occasional foul-mouth to keep a little drama going. And she flirts with the men - but they encourage and love it.
She certainly is more interesting than shanahughesforddaylorarmstrong- I'd like to see Brandi take her place.