Justin Bieber and wife Hailey strip down for steamy Calvin Klein campaign

Justin Bieber and wife Hailey Bieber are heating things up in their first-ever campaign together.

The model and the singer, who recently tied the knot for a second time in South Carolina, are starring in a new Calvin Klein advertisement for the brand's CK50 birthday.

For the campaign, Hailey, 22, and Justin, 25, stripped down to model matching Calvin Klein underwear.

The collection, which is a special capsule featuring a limited edition CK50 logo, also stars A$AP Rocky, Kendall Jenner, Troye Sivan, Liu Wen, Parker Van Noord and Rebecca Leigh Longendyke.