Mitsy Campbell also known as Brown Shuga was born in Bogue Montego Bay, Jamaica. She grew up in a Christian home, her mom was a devoted Seventh Day Adventist while her dad owned a Sound System. She grew up attending Church with her mother and sisters. There was never a time in her life that she can remember when she was not singing. She attended the Herbert Morrison Technical High School where she was a member of the school's Choir.

At age 14 Mitsy was already performing at hotels in Montego Bay and was well known for her natural talent. A young girl with a very big voice. After high school Mitsy began performing gigs at several hot spots around Montego Bay then she settled at the Coral Cliff where she performed Caberet. While at Coral Cliff she was told that Tanya Stephens needed a back-up singer, she auditioned and was chosen on spot to go on tour with Tanya throughout Europe. She managed to keep her job as a cabaret singer at Coral cliff and taking time off to go on Tours with Tanya Stephens.

In 2008 friends encouraged her to enter the Digicel Rising Stars competition, she auditioned and was a favourite among the judges, at which point she gave herself the stage name Brown Shuga. The audience took and immediate liking to her and each week she kept moving up in the competition. She won the competition and then moved on to performing at several Stage Shows in Jamaica while working on recording and putting out original material. So far she has recorded several songs which includes Unknown Voice, Freedom and Hopeless which have be