Who said "I believe in working hard and playing harder."?

This quote is attributed to Gwen Stefani.

I believe in working hard and playing harder. - Gwen Stefani

"I believe in working hard and playing harder."

Gwen Stefani Work

Pop Rock Singer American Born 1969 (age 57)

"You're bananas if you think I'm gonna waste my time with negativity."

"I'm just a girl, standing in front of a boy, asking him to love her."

"Don't speak, I know just what you're saying."

"Life is what you make it, so make it fabulous."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."