Sweet and Sassy Christina: riveted bustier, patent red belt, 20s inspired slip skirt and strand of bling! Don’t forget the high-octane blonde and red lip!

Meow! Xtina vamps it up in a white mini with War-era makeup and hair.

Aguiera celebrates her MAC Viva Glam campaign in a flirty suit.

Jean Harlow would have been proud–Aguilera here rocks a stunning black evening look with exposed legs and diamond-and-platinum bangles.

Xtina shows how maternity fashion is done right in this de la Renta.

With a new baby glow, Christina works the LACMA red carpet.

Christina shows us sexy with a touch of grace. Don’t miss her pink square-toe satin pumps!

Aguilera rocks an adorable LBD to the unveiling of Donald Trump’s Dubai development.

Keeps getting better! Xtina takes her look to the next level with sharp lines and killer décolletage.

Christina winks and pouts for Esquire Magazine’s Rock the Vote event.

Aguilera gets wild with a Pucci print and platform purple suede stilettos.

A true gangster, Christina Aguilera rocks a sexy bra, banded belt and fedora for a performance.

In a purely Versace aesthetic , Xtina gives us gossamer face.

For the AMAs, Aguilera gives a Hitchcockian vibe in palliates and major bling cuff.

With a Moroccan wrap and rocker separates, Aguilera celebrates her greatest hits collection with Target in style.