Beyoncé sings for children in the hospital: her performance is INSANE !

In this video, which has become viral just a few years after it was filmed, the world-famous artist Beyoncé was invited to make a visit in a hospital in Singapore (Viva-University Children's Cancer Centre of the National University Hospital). Her arrival was immediately transformed into an event that involved all patients and their families, in which the singer gave an emotional version of the song "Halo".