Being that Gwen Stefani can fabulously dress her baby bump, it’s no surprise her baby shower was just as glamorous!

On Saturday afternoon, more than 50 guests gathered at Wolfgang Puck at Hotel Bel-Air to celebrate the singer’s third baby boy with husband Gavin Rossdale.

Seated in the main dining room was no other than Jessica Alba,Gwyneth Paltrow, Nicole Richie, Rachel Zoe, Kate Beckinsale, Chelsea Handler and Jennifer Meyer.

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Jessica Alba arrives at Hotel Bel-Air carrying a cake made up of Honest skull diapers for Gwen.

"Everyone seemed relaxed and cheerful in the privacy of the restaurant despite several aggressive paparazzi who were waiting outside of the hotel," a source reveals to Life & Style.

But, it seemed like the party could have used a little help from photographers.

"The party was spectacular," the insider shares. "The only thing missing was a photographer."

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Gwen Stefani captured her own pictures and shared them on Instagram: "#babyshowerflowers."

The 44-year-old designer kept the staff busy as we learned many of them were asked to “snap group photos with iPhones.”

Why not capture the moment when the entire room was "adorned with white floral arrangements"? The blocked off area also had candle-lit tables and blue and white-themed sweets and treats.

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Gwen thanked her manager's wife, Shelli Azoff, who hosted the party.

And we hear other than Gwen, who had her own huge piece of marble cake, Gwyneth was craving some candies!

“Gwyneth Paltrow seemed to have a particular craving for chocolate,” the source adds, “specifically the restaurant's chocolate mousse of which she enjoyed at least one (maybe two) refills.”

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The hotel staff became very helpful when it came to carrying Gwen's gifts to her Mercedes Benz and securing the area.

In September, the No Doubt singer and Rossdale, 48, announced they were expecting a third child. The due date has not been revealed yet.