The Empress of Soul – Gladys Knight, who was the music guest on Strictly Come Dancing at the weekend, is proud to announce –  two extra shows to her eight  date UK tour in June/July 2019 at Liverpool Echo Two – July 3rd and Cardiff Motorpoint Arena – July 4th. Tickets for extra dates go on sale:   Friday, October 12th @ 9.00am  Gladys Knight,  known for her collection of classic hits such as: ‘Midnight Train To Georgia’ (which was honoured as…