Tulisa
Tulisa was in the band N-Dubz with her cousin Dappy and their friend Fazer. The group became very popular. Tulisa was a celebrity judge on The X Factor in 2011 and 2012. She mentored the "Groups" category in 2011. They included Little Mix, the first group to win the competition. Tulisa returned to the show in 2014 because Mel B was ill.