More big stars are booked to support "Hope for Haiti" concert. Following announcement that , , , and are tapped to sing at the gig, it is now confirmed will make a live performance as well. The country music singer will sing in London now that the concert will be aired in the country. On top of that, is also expected to take the hosting job at the forthcoming gig.
According to E! Online, the London-based concert will also have , , and as the musical guests. The L.A. gig which is hosted by will see , , , , and taking the mic. Meanwhile, the NYC show will have as the host and as well as singing live.