"Biggest Part of Me" is a song by American band Ambrosia, from the album One Eighty. Released as a single in 1980, the song reached number 1 on the Radio and Records chart and number 3 on both the US Billboard Hot 100 and Adult Contemporary charts. The song was written by band member David Pack. Pack re-recorded the song on his 2005 album, The Secret of Movin' On.
