Demi Lovato packs on the PDA with boyfriend Max Henrich as they enjoyed romantic sunset stroll in the Joshua Tree desert

Pop singer, Demi Lovato and her boyfriend Max Henrich went on a recent work trip to the Joshua Tree desert.

The singer, 27, and her beau posed for a series of romantic snaps while out in the desert together. She posted on her Instagram page.

From the snap uploaded on her IG page, Demi planted a kiss on Max's lips as they shared a smooch as sunset.

Demi was dressed casually in a black hooded jacket with a pair of form-fitting leggings and chunky trainers, while she swept her hair up into a ponytail. 

Max also opted for a casual look as he sported a pair of tracksuit bottoms, a long sleeved top and a pair of trainers for their hike.