Final answer:
Gwen Stefani was a member of the American rock band No Doubt.
Step-by-step explanation:
The statement 'Gwen Stefani was with the American rock band No Doubt' is true.
Gwen Stefani is a singer-songwriter who is best known for her time as the lead vocalist of the band No Doubt. She joined the band in 1986 and remained with them until her solo career took off in the early 2000s.
No Doubt was a popular American rock band that formed in 1986 and achieved mainstream success with their third studio album 'Tragic Kingdom.' Gwen Stefani's vocals and persona played a crucial role in the band's success.