Gwen Stefani Reveals Her Best Relationship Advice

Gwen Stefani rocks a cute pair of boyfriend jeans while visiting Planet Nails on Thursday afternoon (March 12) in West Hollywood, Calif.

The day before, the 45-year-old entertainer was spotted looking just as amazing while hitting up an acupuncture appointment.

PHOTOS: Check out the latest pics of Gwen Stefani

Gwen recently revealed her best relationship advice.

“You get what you put in,” Gwen told HuffPo. “I’ve learned that from my parents, who have been married for almost 49 years — proof that the more you work at marriage, the more amazing the rewards.”

FYI: Gwen is wearing a white and black Wilt sweater.

35+ pictures inside of Gwen Stefani out and about this week…