In 2016, Radwańska got engaged to Dawid Celt, a former Polish tennis player, also her hitting partner. Their engagement was accidentally revealed by her friend, Caroline Wozniacki, on 7 September 2016. On 22 July 2017, they married surrounded by family, friends and her WTA and ATP peers. In attendance were Aga's younger sister Urszula, Angelique Kerber, Caroline Wozniacki, former Polish No. 1 Marta Domachowska, Alicja Rosolska, Katarzyna Piter, Wimbledon doubles Champion Łukasz Kubot, Mariusz Fyrstenberg, Marcin Matkowski and also former Wimbledon semifinalist Jerzy Janowicz. The wedding ceremony took place at the Church of St Michael the Archangel and St Stanislaus Bishop and Martyr, Pauline Fathers Monastery, Skałka, in Krakow, Poland, where Radwańska was baptized.