Gwen Stefani Gavin Rossdale jeans sunglasses birthday lipstick

Gwen Stefani Gavin Rossdale jeans sunglasses birthday lipstick

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And the joke is all on young Hollywood, because she looks better than most of the girls who are half her age!

First Gwen and Gavin left the kids at home for a night out together at the Oceana Hotel in Santa Monica, and the next day has a little b-day party with the whole fam. Yeah, 40! Kingston and Zuma have one beautiful mom.