Kaka is 25 years old. This is hip-hop 5, which is a variety of dance competitions. Kaka comes from France and is a famous hip-hop dancer in France. Kaka was 25 years old when he participated in "This is Hip Hop 5". There is a new age limit in the fifth season of "This is Street Dance", which stipulates that the age of contestants is between 18-30 years old.