Brittany Renner CAN'T BELIEVE she is a glorified side piece.

Unreal she's that dense.

Perhaps unbeknownst to her, she inadvertently wrote a book on how to be a side chick. Even changed her hair color, but her brain has yet to register the obvious; even though now she's also a single mother. TikTokTikTokTikTok. . .

If she needs help to figure this out, at her AGE, she's best left on the shelf....