The 2011 single "What Happened to Us" saw Mauboy explore a more mature R&B sound, showcasing her vocal versatility.
- The song was co-written by Diane Warren and James Fauntleroy. It peaked at number 35 on the ARIA Singles Chart. The single was certified Gold by ARIA.
- This was the second single from her second studio album, Reigate, which was released later that year. It was released on March 10, 2011 by Sony Music Entertainment.
- The track features a guest appearance from American recording artist Ludacris. Mauboy's performance on the song was noted for its emotional depth and vocal control.
Jessica Mauboy is an Australian pop and R&B singer who rose to fame after competing on Australian Idol. She has since become one of Australia's most successful homegrown recording artists.
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