Build Me Up Buttercup was released in 1968 by British soul group The Foundations, written by Mike d'Abo and Tony Macaulay. It topped the UK chart and reached number three in the US, becoming the band's signature song. The track later found a new audience when it closed the 1998 comedy There's Something About Mary, and its chorus has since become a staple of feel-good edits, karaoke clips and nostalgic social media posts celebrating love and friendship.