Hailey Bieber strikes pose in backless black leather dress after partying with Justin in New York

Hailey Bieber has been enjoying the autumn weather on the east coast after jetting off to New York City with husband Justin.

And the model recently served the perfect night-on-the-town look over the weekend, while stepping out with the Grammy winner.

The 23-year-old showed some skin in the spaghetti-strap number, which was laced up the back with a thigh-high leg slit, writing: ‘NYC’