Yunalis binti Mat Zara'ai, known professionally as Yuna, is a Malaysian singer. Her initial exposure came through the viral success of her music uploaded to Myspace, which received over one million plays. This online success alerted an indie-pop label/management company to her music, and in early 2011 she signed with the Fader Label. She is best known for her collaboration with Usher on her breakout single "Crush", which peaked at number 3 on the US Billboard Adult R&B chart. In 2010-2015, she is the 2nd Most Popular Female Singer in Malaysia which is Siti Nurhaliza at the first place and Stacy (singer) at the 3rd place.

Usher Raymond IV is an American singer, songwriter, and dancer. He is recognized as an influential figure in contemporary R&B and pop music. Usher first released his self-titled debut album (1994) at the age of 15, and rose to fame in the late 1990s following the release of his second album, My Way (1997). It spawned his first Billboard Hot 100 number-one single "Nice & Slow", and the top-two singles "You Make Me Wanna..." and the title track. His third album, 8701 (2001) saw continued success and contained two number-one singles, "U Remind Me" and "U Got It Bad", as well as the top-three single "U Don't Have to Call". It sold eight million copies worldwide and won his first two Grammy Awards for Best Male R&B Vocal Performance consecutively in 2002 and 2003.