A very pregnant Fergie (soon to be Fergie Duhamel) had a baby shower on Sunday, July 28, and it wasn't just any baby shower. Thanks to the gay-heavy guest list, Fergs dubbed this a "gayby" shower -- but even in that sea of fabulousness, Adam Lambert still managed to shine.

The shower to fete Fergie and husband Josh Duhamel's impending baby boy took place at at the SLS hotel in Los Angeles and was hosted by Fergie's agent Sean Patterson, DSquared fashion designers Dean and Dan Caten, and hair stylist Andy Lecompte.

Others on the guest list? Kelly Osbourne, Lance Bass, Julianne Hough and Gabriel Aubry, who enjoyed a cake designed by Dylan Lauren of Dylan's Candy Bar and custom cocktails created for the occasion.

"People were going wild for the Hot Mamma cocktail," a source gushed, adding there were also "Ferg-aritas" to be had. "Everyone was over-the-moon enjoying themselves and glowing all happy to be sharing in Fergie's big day."

A troupe of burlesque drag performers provided the entertainment, but even they couldn't pull focus from Lambert -- who arrived with a gal pal and rocked a leopard print shirt, jeans, high-heeled white studded boots, and his signature mile-wide smile. Check out some shots of him below.

Adam Lambert
David Tonnessen, Pacific Coast News
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Adam Lambert
David Tonnessen, Pacific Coast News
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Adam Lambert
David Tonnessen, Pacific Coast News
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