The 31-year-old 'The Voice' judge Christina Aguilera looked slimmed down in a skin-tight green and blue frock as she dined at The Little Door restaurant with boyfriend Matthew Rutler in West Hollywood.

The 31-year-old blonde bombshell Christina Aguilera was spotted at the Los Angeles Lakers vs. Oklahoma City Thunder basketball game with fellow singer Christina Milian.

She wore a snugly fitted black and white striped dress underneath a rocking leather jacket paired with studded Christian Louboutin stilettos and her trademark red lipstick.

The 30-year-old singer Christina Aguilera looked fabulous in a Versace leather jacket paired with Alexander McQueen vest top and a knee lace-up Christian Louboutin boots while attending the official launch party for 'The Elder Scrolls V: Skyrim' in LA with her beau Matthew Rutler.

The 'Voice' judge Christina Aguilera and her ex husband Jordan Bratman reunited to celebrate Halloween together with their 3-year-old son Max.

Aguilera looked festive in a black and white skull and bones sweatshirt, black trousers and matching black brimmed hat as she dressed up her son in a medieval knight costume.

The 30-year-old blonde singer Christina Aguilera sporting a black hat with a black jacket, white top, red scarf, and a black stockings while doing a little shopping at Fred Segal in West Hollywood.

The 30-year-old 'Burlesque' star Christina Aguilera wearing leather jacket and an Andy Warhol screenprinted tee over a pair of fishnets while leaving Off Vine after dinner in LA with her boyfriend, Matt Rutler. It looks like Christina Aguilera might have forgotten something when she stepped out: Her pants

The 30-year-old singer Christina Aguilera wearing a skull and crossbones t-shirt and autumnal checked shirt as she took her adorable son Max Liron, along with boyfriend Matt Rutler to pick out a Halloween pumpkin at Mr. Bones Pumpkin Patch in LA.

The 30-year-old singer Christina Aguilera flashes a quick smile as she arrives at the Sadler's Wells Theatre in London with her beau Matt Rutler.

The 30-year-old singer Christina Aguilera shows off her curves in a tight black mini dress with some long, wavy hair and red lips while promoting her new fragrance 'Royal Desire' in Munich, Germany.

The 30-year-old singer Christina Aguilera shows off her stunning figure in the strapless white and silver minidress by Herve Leger at 'The Voice' season finale party in California.