Marc Malkin

It's official: Christina Aguilera is a working mom.

Just got word that Xtina has been snagged by Donald Trump to perform later this month during a party for his new Trump International Hotel & Tower in Dubai.

Guess Mr. Trump is doing what he can to get the richie-rich folks of Hollywood interested in his latest venture, because the soiree isn't actually taking place in the Middle East, but at a private estate in L.A.

This will be just the second time Ms. Aguilera has performed since giving birth to son Max in January. She headlined a Las Vegas bash for jeweler designer Stephen Webster four months after becoming a first-time mommy.

Perhaps she'll sing some new material. Aguilera has been hitting the recording studio lately to work on a new album.

Also on the bill for Trump's to-do? Celebrity DJ for the night, Pete Wentz.

No doubt Xtina will share some baby tips with the daddy-to-be rocker.