Tony, who played bent copper DCS Lester Hargreaves in Line of Duty, opted for a grey suit, a lighter grey hat and a pink tie.
He also portrayed the character Archie Brooks in the long-running soap Emmerdale from 1983 and 1993.
The Gentleman Jack actress’ romance comes after her split from husband Ryan Clark.
The former couple, who married in 2013 and share eight-year-old Orla together, parted ways two years ago.