#2 Super Group
All the spices, Baby, Ginger, Sporty, Scary, and Posh. They had it going on. Forming in 1994, they took the music industry by storm with their debit album “Spice” sold over 30 million records. They followed that up with the album “Spiceworld,” that sold 20 million copies. Since then they have sold more than 80 million records, making them the most successful girl group ever.