"Sideline Ho" is a song by American singer Monica. It was written by Harvey Mason, Jr., Damon Thomas, Antonio Dixon, Eric Dawkins, Steve Russell, and Durrell "Tank" Babbs for her fourth studio album, The Makings of Me (2006). Production was helmed by Mason and Thomas under their production moniker The Underdogs, with Tank credited as co-producer of the song. "Sideline Ho" was released as the album's third single in the third quarter of 2006. It opened at number 77 on US Billboard's Hot R&B/Hip-Hop Songs chart on early airplay alone, and achieved a peak of number 45 on that chart.