NeNe Leakes rejoins RHOA with big weight-loss: What's reality TV star's secret?

A newly slimmed down NeNe Leakes returned to "Real Housewives of Atlanta" since calling out Phaedra Parks for "playing dirty." Rumor has it, Parks won't be back, and her behavior toward castmates Kandi Burruss and Porsha Williams is reportedly the cause. Leakes must be feeling pretty fabulous after her big weight-loss makeover. The reality TV star says she's ready to take on another "RHOA" nemesis -- Kim Zolciak-Biermann -- with Parks gone.   NeNe Leakes rejoins RHOA with big weight-loss: What's reality TV star's secret?