"I Do" is a song recorded by American recording artist
Colbie Caillat. It was written by Caillat and
Toby Gad, and produced by
Greg Wells. The song was released as the first single from her third studio album
All of You (2011). The song was released to
iTunes and radios on February 7, 2011 through
Universal Republic. Musically, the song is an upbeat "sunny-day" pop song, and the lyrics speak about taking relationships further, like marriage. "I Do" debuted at number 38 on the
Billboard Adult Pop Songs chart. It later debuted at number 23 on the
Billboard Hot 100. According to
Nielsen Soundscan, it has sold about 154,000 copies in the US. The music video for "I Do" premiered on March 11, 2011.