The super toned and always perfect Gwen Stefani is officially 40-freakin-years-old. I mean, really. Where does she get off having abs like this at 40 years-old? What does she eat? Fish and broccoli everyday?

gwen stefani 40

Gwen celebrated  the big 4-0 on Saturday with an afternoon birthday bash at the exclusive Italian restaurant Cecconi’s in West Hollywood.joined by her hubby Gavin Rossdale, their two children – Kingston, 3, and Zuma, 13 months – and an intimate group of friends, including Kate Beckinsale and her husband Len Wiseman.

“Gwen looked amazing and so much younger than 40. She was in a great mood and seemed very excited to celebrate her birthday with her husband, children and friends,” says the source. “Gwen and Kate seem very close and the girls shared a long chat and many laughs. Gavin and a nanny took care of the boys so Gwen could just relax and enjoy her celebration.”

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