Fergie celebrated her pregnancy with a glamorous baby shower on Sunday, surrounded by family and friends.

Her baby shower, which took place at Los Angeles' SLS Hotel, was a star-studded affair. Dad-to-be Josh Duhamel was on hand among guests including Kelly Osbourne, Julianne Hough, Ru Paul, Lance Bass, Adam Lambert, Molly Sims, Gabriel Aubry and Matthew Mosshart.

The singer stunned in a printed pink dress and took photos throughout the event and posted them to her Instagram. In one photo, the 38-year old mom-to-be held up a cute talking bubble next to her ballooning belly which read "say my name."

According to PEOPLE, Fergie took the mic at one point to announce, "Woo! It's my baby boy's first party!"

Fergie and Duhamel, who married in 2009, announced in February that they were expecting their first child. Duhamel, 40, revealed on Live! With Kelly and Michael earlier this month that the couple will be expecting a baby boy.

At the baby shower, guests indulged in a cake designed by Dylan Lauren of Dylan's Candy Bar and sipped on cocktails by Cuca Fresca Organic Cachaca, Tallarico Vodka and Ferguson Wine, which included a signature cocktail, "The Hot Mamma," in the mom-to-be's honor.

"Everyone was over-the-moon enjoying themselves and glowing all happy to be sharing in Fergie's big day," a source told E! News.

Duhamel announced earlier this month that he is getting his wife a push present. (A push present is a present a father gives to the mother to mark the occasion of her giving birth to their child.)

“Yes, I will be getting her a push present. I just don’t know quite what yet,” the dad-to-be told PEOPLE.

“You got Christmas, you got birthdays, you got Valentine’s, you got Mother’s Day, you got every other thing in between … I don’t know who came up with this push present idea, but I think it’s probably a female.”

Tags: Fergie Josh Duhamel