Premise: Gwen Renée Stefani ( [ gwɛn_ˈstəˈfɑːni ] born October 3 , 1969 ) is an American singer , songwriter , fashion designer , actress , and television personality . She is the co-founder and lead vocalist of the band No Doubt that experienced major success after their breakthrough studio album Tragic Kingdom ( 1995 ) along with various successful singles , including `` Just a Girl '' , `` Do n't Speak '' , `` Hey Baby '' , and `` It 's My Life '' . Billboard magazine ranked Stefani the 54th most successful artist and 37th most successful Hot 100 artist of the 2000 -- 09 decade .
Hypothesis: Gwen Stefani performs.
Label: CONTRADICTION