Christina Aguilera Shows Off Slim Figure, Hair Extensions in Trendy Ensemble at Stand Up to Cancer Event: Picture

Christina Aguilera
Christina Aguilera attends Hollywood Stands Up To Cancer event on Jan. 28. Charley Gallay/Getty Images

The Voice cameras may not be rolling, but Christina Aguilera hasn't let that stop her from stepping out in style. The 33-year-old mother of son Max, 6, attended the Hollywood Stands Up to Cancer event, hosted by actress Reese Witherspoon and husband Jim Toth in Culver City, Calif. on Tuesday, Jan. 28. 

Though the pop diva went for a more casual look, her trendy style definitely stood out and showed off her killer body. Xtina paired a black and white striped Theory blouse with black skinny jeans, black Christian Louboutin peep-toe pumps and a wide-brimmed black hat. 

Rocking the smokey eye and bold rep lipstick, Aguilera appeared confident and fit. To complete her chic look, the "Beautiful" singer wore long blonde hair extensions — a drastic change from the curly bobs she's been sporting lately. 

Aguilera won't be returning to The Voice when season 6 premieres next month, opting for another hiatus after taking off season 4 of the show last spring. Coaches Shakira and Usher will return to fill Aguilera's and Cee Lo Green's seats. 

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