Christina Aguilera is Grammy Gorgeous

Powerhouse Christina Aguilera sizzles in a strapless Monique Lhulier dress on the red carpet of the Grammy Nominations Concert Live at the Nokia Theatre in Los Angeles on Wednesday night.

The 27-year-old “Keeps Getting Better” singer polished off her look with Louboutin pumps and Webster jewels. She’ll will perform alongside Celine Dion and Mariah Carey at the star-studded event.

A few nominations have already been announced for the 51st Grammy Awards set to take place February 2009 including The Jonas Brothers and Duffy for Best New Artist.

15+ pics inside of Christina Aguilera as a metalllic maven…