The legendary 80-year-old singer was scheduled to perform at Jacksonville's Florida Theatre last week when she and another family member got ill backstage.

Gladys began her career in the late 1950s, and shot to fame with her family group Gladys Knight and the Pips. She pursued a solo career in the 1980s, and has written more than 40 albums ...

The Jim Weatherly’s hit for Gladys Knight & the Pips was originally titled ‘Midnight ... It Was Hard to Get Around' Never ...

Knight first rose to fame with her family group, Gladys Knight and the Pips, while also collaborating with artists including Dionne Warwick, Elton John, Stevie Wonder and Patti Labelle.

Inspired by the relationship of a 70s celebrity couple, "Midnight Plane To Houston" became "Midnight Train to Georgia" – and Atlanta R&B group Gladys Knight and the Pips' best-known tune.

The group was renamed Gladys Knight & The Pips, and following George’s departure in 1962, the classic line-up was in place.