Christina Aguilera will perform at a global event to help survivors from Haiti earthquake. The Beautiful singer is to participate at the ‘Hope for Haiti’ concert that also includes other big names like Justin Timberlake, U2 vocalist Bono, Sting and Alicia Keys, among others. The event, which aims to raise funds for the Haitian victims, is scheduled for January 22. Tunes will be available for digital purchase.