After the first season, the 15 to 25 category was split into separate male and female sections, making four categories in all: 15–25 males ("Boys"), 15–25 females ("Girls"), Over 26s, and Groups.
Following the first season, the 15-25 age range was divided into separate sections for men and women, resulting in four categories: boys aged 15 to 25, girls aged 15 to 25, individuals over 26 years old, and groups.