"Bubbly" is the debut single of American singer-songwriter Colbie Caillat from her first album, Coco (2007). Written by Caillat and Jason Reeves and produced by Mikal Blue, the song was released as the album's lead single on May 15, 2007. "Bubbly" is Caillat's only song to peak within the top ten of US Billboard Hot 100; it remains her highest-charting song. Internationally, "Bubbly" reached number one in Australia, Brazil, and the Czech Republic. It also became a top-10 hit in several European countries, including Belgium, Germany, and Norway, as well as Japan and New Zealand. It is certified six-times platinum in the US and Australia as well as gold or higher in six additional countries.