Lionel Richie remains hospitalized and is being tested for 'cardiac-related issues' after checking himself in on Saturday, shortly after appearing to struggle during a concert.

Lionel Richie performed a one-night show at The Muny in Forest Park, St. Louis, on Saturday. He appeared to struggle toward the end of the concert.

Lionel Richie has been hospitalised following a gig after the iconic singer fell ill on stage in St. Louis, Missouri

El cantante, reportan, permanece en la unidad de cuidados intensivos

‘All Night Long’ singer, 77, was previously hospitalized in June

A source close to Richie's tour said the singer "self-checked in after the show Saturday night and is doing okay."

Doctors are treating Lionel Richie for suspected dehydration, reports say.