Weeks after WWE Hall of Famers The Bella Twins assaulted Paige after their loss at SummerSlam, Nikki Bella returned to launch a surprise attack on her one-time friend on SmackDown. 

After an intense backstage altercation last week, the stage is set for a highly personal showdown when Paige and Nikki battle in Mexico City, Friday at 8 ET/7 CT on SmackDown on USA.