"What I Wouldn't Do" is a song performed by Canadian singer-songwriter Serena Ryder, which was released as a single in November 2012. The song was written by Ryder and Jerrod Bettis for Ryder's fifth studio album, Harmony. The song was released as the second single from the album in Canada. The song was featured in a 2013 episode of Grey's Anatomy and Rookie Blue, however, release of the single in the United States was delayed due to the success of Serena's previous single "Stompa".

Serena Lauren Ryder is a Canadian singer-songwriter. Born in Toronto, she grew up in Millbrook, Ontario. Ryder first gained national recognition with her ballad "Weak in the Knees" in 2007 and has released eight studio albums.