Singer Ray J hospitalized for exhaustion

R&B singer Ray J has been hospitalized for exhaustion.
Ray J's representative said in a statement Tuesday that the singer went to the hospital Monday and "will remain there for treatment for exhaustion and jet lag."
The representative says Ray J was in Las Vegas to host a party and attended Sunday's Billboard Music Awards. The representative adds that Ray J had just returned from performing in China.
Ray J is R&B singer Brandy's younger brother.