"She Ain't Worth It" is a song by recording artist Glenn Medeiros. It features a rap from R&B artist Bobby Brown. The song reached 1 for two weeks on the US Billboard Hot 100, becoming Medeiros' only No. 1 hit in the United States, and the second and last No. 1 hit where Brown has received credit as an artist, after "My Prerogative". The single also reached the top 20 on the UK Singles Chart, where Medeiros had previously reached number one with "Nothing's Gonna Change My Love for You", and peaked within the top 10 in Australia, Canada, Finland, and Ireland. Charts Weekly charts Year-end charts All-time charts Certifications References 1990 singles 1990 songs Billboard Hot 100 number-one singles Bobby Brown songs Cashbox number-one singles Glenn Medeiros songs MCA Records singles Songs written by Antonina Armato Songs written by Bobby Brown