Mary Jane Girls were a popular R&B and funk girl group formed in 1980. The group consisted of five members: Joanne "JoJo" McDuffie, Cheryl "Cheri" Bailey, Yvette "Corvette" Marine, Kimberly "Maxi" Wuletich, and Ann "Annie" Marie. They are best known for their hit songs "All Night Long" and "In My House," which both reached the top 10 on the Billboard Hot 100 chart. The group disbanded in 1987, but they reunited in 2019 for a series of concerts.