The Lost Tapes is the eighth studio album by British girl group Sugababes, which was self-released on 24 December 2022. The album was recorded between 2011 and 2013, when the original lineup reformed under the name Mutya Keisha Siobhan (MKS), however it remained unreleased due to most of the tracks being leaked. The deluxe version, which included an additional three tracks, was released on 31 December 2022.