The pregnant pop star put her blossoming bump on display in a form-fitting little black dress Saturday night at the KIIS FM Wango Tango concert in Carson, California.
She wore her blonde locks up, and paired her dress with platform pumps.
The singer was full of energy as she belted out some of her biggest hits.
Aguilera, 33, is expecting a baby with fiancé Matthew Rutler. It’s baby No. 2 for Aguilera and her first child with Rutler.
The songstress is already a mommy to 6-year-old Max, her son with ex-husband Jordan Bratman.
