Answer
Bayley and Sasha Banks won the WWE Women's Tag Team Championship from Alexa Bliss and Nikki Cross at TLC: Tables, Ladders & Chairs on December 16, 2018. The two teams had been feuding for several months, and the match at TLC was their first meeting since Bliss and Cross had won the titles at SummerSlam in August. Bayley and Banks won the match after Banks pinned Cross.