'Mrs.Hailey Bieber' steps out in style for the first time since changing her Instagram handle to husband Justin's last name (Photos)

American model, Hailey Baldwin, was spotted for the first time this weekend after she officially confirmed her marriage to Justin Beirber by changing her social media handles from Baldwin to Bieber.

The 21-year-old was pictured on a solo errands run in New York City.

Hailey who was dressed head-to-toe in black for the outing tied-the-knot with Justin Bieber in a secret New York courthouse ceremony two months ago.

See full photos below.