India, Jan. 8 -- Singer and actor Ray J has reportedly been hospitalized in Las Vegas after experiencing what were described as "heart pains," according to TMZ.

The 44-year-old was admitted to a hospital on January 6, with sources telling TMZ that the episode was linked to a "severe" case of pneumonia. TMZ reported that Ray J remained under medical care as of Thursday afternoon, local time.

TMZ reported that Ray J underwent a series of medical tests, including X-rays and an echocardiogram, which is an ultrasound used to examine heart function. The results of these procedures have not been made public, and no official statement has been released by the singer or his representatives regarding his current condition.

While the initial conc...