"Mary Mary" is an American gospel duo consisting of sisters Erica Campbell and Tina Campbell. They are known for their blend of contemporary gospel music with elements of R&B and hip-hop. The duo gained popularity in the early 2000s with hits like "Shackles (Praise You)" and "Get Up." In addition to their music career, Mary Mary has also starred in their own reality television series, which showcases their personal lives and professional challenges. The sisters have received multiple awards, including Grammy Awards, and are recognized for their contributions to the gospel music genre.