G.E.M. is a Chinese singer-songwriter based in Hong Kong. Better known by her stage name G.E.M., an acronym for “Get Everybody Moving”. She made her music debut in 2008 with the self-titled EP GEM. She has since become one of Hong Kong's best-selling musical artists, winning IFPI Hong Kong's Top Selling Female Artist award in 2012.

G.E.M. gained popularity in Greater China after her appearance on Hunan Television's programme I Am a Singer (Season 2) in 2014. Her fan base also extends to the United States, Canada, Australia, Norway and Southeast Asia; the same year, she won the Favourite Asian Act award at the 2014 Nickelodeon Kids' Choice Awards. In 2015, she was ranked eleventh in Forbes' China Celebrity top 100 List.

In 2016, she concluded a two-year world tour titled X.X.X. Live, and was the only Asian artist featured in Forbes' 30 Under 30’ (Music) and she earned an MTV Europe Music Award for Best Mainland China and Hong Kong Act.

The Hong Kong pop sensation has won hearts worldwide with her breath taking vocals and vast genre of music. G.E.M. Queen of Hearts World Tour 2017 is produced by Moment Factory and choreographed by Kevin Maher.