"Ya Di Ya" is a song by American R&B singer, Gina Thompson. It features guest vocals by Missy "Misdemeanor" Elliott and was released as the lead single from Thompson's unreleased album, If You Only Knew (1999).The song became a minor hit, where it peaked at #38 on Billboard Hot R&B/Hip-Hop Songs and scored Thompson her second top 40 R&B hit and Elliott's fifteenth overall top 40 R&B hit.