Step Back in Time: The Definitive Collection is a greatest hits album by Australian singer Kylie Minogue. It was released on various formats on 28 June 2019 by BMG, serving as her first compilation with the label. Minogue confirmed the record in May 2019, after teasing initial content on social media and her website. The album's original content includes forty-two songs, dating back to Minogue's debut with PWL in 1987. In addition, an expanded version included another disc with eight additional tracks from her catalogue, as well as a megamix of various tracks from her career.