A watan Maris na shekara ta 2015, mujallar "People" ta tabbatar da cewa Spears za ta fitar da sabon waƙa, "Pretty Girls", tare da Iggy Azalea, a ranar 4 ga Mayu, 2015. Waƙar ta fara fitowa kuma ta kai lamba 29 a kan "Billboard" Hot 100 kuma an tsara shi a matsakaici a yankuna na duniya. Spears da Azalea sun yi waƙa a raye a
2015 "Billboard" Music Awards daga The AXIS, gidan gidan Spears, zuwa ga kyakkyawan amsa mai mahimmanci. "Entertainment Weekly" ya yaba da wasan kwaikwayon, yana mai cewa "Spears ta ba da ɗayan wasan kwaikwayon talabijin da ta fi ƙarfinta a cikin shekaru". A ranar 16 ga Yuni, 2015, Giorgio Moroder ya fitar da kundin waƙarsa, "Déjà Vu", wanda ke nuna Spears a kan "Tom's Diner".