The Queen of Pop welcomed the Australian hitmaker to the stage during her Celebration Tour concert in Los Angeles on Thursday night. Kylie, 55, and Madonna, 65, performed a rendition of Gloria Gaynor's hit I Will Survive to mark International Women's Day. The pop duo also performed a duet of Kylie's 2001 hit Can't Get You Out of My Head. Shortly after the concert, Kylie took to X, formerly known as Twitter, to share a clip of her energetically dancing in the aisles as Madonna belted out her 1998 hit Ray of Light...