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Stefani performs and makes public appearances with four back-up dancers known as the Harajuku Girls.
Gwen is seen accidentally flashing her underwear as she pulls down her short skirt while exiting her ride at the studio.
Billboard magazine ranked Stefani the 54th most successful artist and 37th most successful Hot 100 artist of the 2000—09 decade.
Stefani appeared on television as a musical guest on comedy series Saturday Night Live in 1996.
She is the daughter of father Dennis Stefani, a Yamaha marketing executive, and mother Patti Flynn, an accountant before becoming a housewife.