ET video chats with Kim Zolciak Biermann and Brielle Biermann ahead of the premiere of the new season of their family reality show, ‘Don’t Be Tardy.’ Kim and Brielle tease why season 8 is their ‘best season ever,’ explaining that they would be OK if this was their family’s final season on reality TV. Plus, Kim shares her reaction to former ‘The Real Housewives of Atlanta’ co-star NeNe Leakes’ recent reveal that she’s leaving the franchise after more than a decade. ‘Don’t Be Tardy’ airs Tuesdays on Bravo