K3 is a Belgian girl group formed in 2002, originally created for a children's television show called Ketnet. The group consists of three members who perform catchy pop songs aimed at a young audience. K3 quickly gained popularity in Belgium and the Netherlands, becoming a household name in the region. Over the years, K3 has undergone several lineup changes, with new members joining to keep the group fresh and appealing. They have released numerous albums and singles, and their music often features themes of friendship and fun. K3's vibrant performances and colorful costumes contribute to their charm and success in the entertainment industry.