They've been together for four years now.
But Keri Russell and Matthew Rhys appear to still be in the honeymoon stage of their relationship.
The pair - who bonded on the set of their critically acclaimed FX series, The Americans - stopped to share a passionate kiss as they enjoyed a romantic stroll through the streets of Manhattan on Wednesday.
The 42-year-old actor slung a protective arm around his 41-year-old partner's shoulders as they made the most of the late summer sunshine.
Sealed with a kiss... Keri Russell and Matthew Rhys couldn't keep their lips off each other when they took to the streets of New York City on Wednesday
Keri wrapped one arm around her beau's waist and held his hand as they chatted during their walk.
Dressed in a blue T-shirt and grey trousers, Matthew was seen wheeling a bicycle with his free hand.
A navy blue jacket was slung over one of the handsome actor's shoulders, and he wore white sneakers.
The Burnt actor also donned a green and white baseball cap and a pair of black sunglasses.
Taking a walk... The pair - who bonded on the set of their critically acclaimed FX series, The Americans -