1999 (Remixes)
- 1999 (EASYFUN Remix) by Charli XCX & Troye Sivan
- 1999 (Michael Calfan Remix) by Charli XCX & Troye Sivan
- 1999 (R3HAB Remix) by Charli XCX & Troye Sivan
- 1999 (Carta Remix) by Charli XCX & Troye Sivan
- 1999 (Alphalove Remix) by Charli XCX & Troye Sivan
- 1999 (Super Cruel Remix) by Charli XCX & Troye Sivan
- 1999 (Young Franco Remix) by Charli XCX & Troye Sivan
- 1999 (Dipha Barus Remix) by Charli XCX & Troye Sivan
- 1999 (The Knocks Remix) by Charli XCX & Troye Sivan