They tied the knot in an idyllic wedding ceremony in London in June 2019.
And Katharine McPhee enjoyed a romantic date night with her record producer husband David Foster, 70, as they stepped out at Craigs Restaurant in West Hollywood, California, last week.
The singer, 35, looked effortlessly chic as she wore a burgundy red crop top that showed off her toned abs.
Stylish: Katharine McPhee, 35, loked effortlessly chic in a red crop top and jeans as she enjoyed dinner date with husband David Foster, 70, in Los Angeles last week
Katharine finished off the look by wearing light-wash denim jeans that had distressed detailing on the knees.
She complemented her look by wearing a black blazer that was shrugged over her shoulders, while she stepped out in brown lace up heels.
Her brunette locks were pulled back into a sleek ponytail, and Katharine used a natural palette of make-up to accentuate her pretty features.
David, meanwhile, kept things casual as he donned a black trench coat over blue jumper and a white shirt, while he completed his look with jeans and black trainers.
Pretty: Katharine's brunette locks were pulled back into a sleek ponytail, and Katharine used a natural palette of make-up to accentuate her pretty features
On Friday, the pair exchanged lighthearted banter as they joked about prenuptial agreements while practising for their upcoming concert tour.
The couple are