Brielle Biermann, daughter of 'Real Housewives of Atlanta' set Kim Zolciak-Biermann recently shared a video that was pretty hilarious and caught the mix-up domestically between them at the time perfectly. The video showed Biermann participating in a global 'hug your brother-in-law' challenge, which resulted in her future husband, Billy Seidl, giving an adorably perplexed answer. [...]