New Delhi, June 27 -- Legendary singer Lionel Richie has postponed the next two stops on his North American tour after feeling unwell during Wednesday night's opening show in St. Paul, Minnesota.

The 77-year-old was midway through the concert at Grand Casino Arena - the first night of the 26-city Sing A Song All Night Long Tour, co-headlined with Earth, Wind & Fire - when he began to experience dizziness.

Attendees say Richie tried to power through, sitting down to finish a version of his 1986 hit "Dancing on the Ceiling," quipping that it was the first time he'd ever sung it seated. He later moved to the piano for "Three Times a Lady" before taking an unscheduled break and not returning to the stage.

Saxophonist Dino Soldo eventually ...