wen Stefani finally confirmed her third pregnancy -- without saying a single word!

The No Doubt frontwoman let her baby bump do all the talking last night, as her growing belly made its debut on the red carpet in a gorgeous blue fringe dress.

With hubby Gavin Rossdale by her side, Gwen cradled her stomach at the Wallis Annenberg Center For The Performing Arts Inaugural Gala on Thursday night in Beverly Hills.

While Eve spilled the beans back in September, the couple have remained silent about Baby #3. The two already have sons Zuma and Kingston.

The 44-year-old singer wasn't the only expecting star at the event. Rachel Zoe was also seen showing off her baby bump to buddy Nicole Richie.

The party was a celeb-studded affair, with additional guests like Demi Moore, Charlize Theron, Jodie Foster, Amy Adams and many more -- who all stunned at the fashionable event. 

Check out all the party pics above. Who do you think was the best dressed?

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