The confirmed that they are expecting their first child on Friday.
And Martin Compston's wife Tianna Chanel Flynn showcased her blossoming bump as she attended the 2019 Wimbledon men's singles finals at the All England Lawn Tennis and Croquet Club in south-west London on Sunday.
The radiant Beauty, 29, oozed effortless style in a black knitted midi-dress that featured buttons from the neckline to hem.
Stunning: Martin Compston's wife Tianna Chanel Flynn, 29, showcased her blossoming bump as she attended the 2019 Wimbledon men's singles finals on Sunday
She covered her shoulders with an evergreen blazer and slid her feet in to suede loafers for her day date with her husband at the sporting event.
Flaunting her natural Beauty, the gorgeous actress slicked her hair off her face in a tight bun and flashed a face of natural make-up.
Martin, 35, who shot to fame as Steve Arnott in the BBC's hit TV show Line of Duty, put on a suave display in a crisp black shirt and grey check trousers.
Adding a relaxed touch to his ensemble, the handsome chap wore black trainers with a chunky white sole.
Daddy-to-be: Martin, 35, who shot to fame as Steve Arnott in the BBC's hit TV show Line of Duty, put on a suave display in a crisp black shirt and grey check trousers
The loved-up couple looked the picture of happiness as they smiled from ear to ear and posed for snaps next to one another.
Tianna confirmed her pregnancy as she revealed her baby bump at the Henley festival in Oxfordshire on Friday.
The Monarch of the Glen actor, appeared in high spirits with his expectant wife - after he previously expressed the desire to start a family.
Wearing a stunning floral jumpsuit, the actress showed off her growing stomach alongside her husband.
Baby on the way: Tianna confirmed her pregnancy as she showed off her baby bump at the Henley festival on Friday
Meanwhile, The Scottish actor couldn't hide the smile on his face as he graced the red carpet, looking dapper in a navy suit and tie.
Martin married American actress Tianna in a lavish Scottish ceremony in 2016.
Since tying the knot, the couple have moved to Las Vegas, where her mother lives, and share their home with beloved pet pitbull called King.
The actor's has the lead role in Line of Duty means he can