Prepare to get goosebumps as the world's finest singers wow us with some incredible vocals. Expect big hits from Katy Perry, John Legend, Mariah, Adele, Beyonce and Bruno Mars.
Prepare to get goosebumps as the world's finest singers wow us with some incredible vocals. Expect big hits from Katy Perry, John Legend, Mariah, Adele, Beyonce and Bruno Mars.