Gary be appearing with Spice Girl, Mel C for a special Hard Rock Cafe concert at London's Dorchester hotel on 14th October.
This will be the second time Gary has performed at a Pinktober concert in aid of National Breast Cancer Awareness Month. It's expected to be a start-studded event and all proceeds will go to the Caron Keating Foundation. Tickets are on sale £2650 for each table of 10.
The foundation was founded by Gloria Hunniford after the death of her daughter, Caron from breast cancer.