Chopstick Brothers are a Beijing-based Chinese duo who became known online by their 2010 viral video Old Boys. In 2014, they wrote, directed, and starred in a full feature film Old Boys: The Way of the Dragon based on the viral video. The promotional song of the film, "Little Apple", also became popular online, winning the "International Song Award" at the American Music Awards of 2014. They re-released the song in late 2014 to feature the popular K-pop group T-ara.

"Little Apple" appears in 舞力全开2015 (Chinese version of Just Dance 2015).^{[citation needed]}