Christina Aguilera is Fedora Fierce at Stand Up to Cancer Event!

Christina Aguilera looks super fierce in her fedora while hitting the carpet at the 2014 Hollywood Stands Up to Cancer Event on Tuesday (January 28) in Culver City, Calif.

The event was held to support the fight against lung cancer and turned out to be a who’s who of Hollywood with so many celebrities!

PHOTOS: Check out the latest pics of Christina Aguilera

“Valentine’s Day is coming! Embrace your sex appeal with an #UnforgettableChristina fragrance,” Christina recently tweeted. Pick up one of her products over at Perfumes.ChristinaAguilera.com!

FYI: Christina is wearing a Theory top, Frame Denim pants, Christian Louboutin shoes, a Eugenia Kim hat, and Loree Rodkin earrings.