Justin Bieberhas a newrelationship— not just with hisnew lady Hailey Baldwin, but also with his new mustache, which he’s been sporting since he and the modelfirst sparked rumors that they’ve rekindled their romance.

The singer, 24, attended close palPost Malone’s concert in L.A. on Thursday night wearing a Hawaiian-style flower-print shirt and brown pants — a combo he paired with a white bandana that he tied around his long, beachy blonde hair. Also making an appearance? The sparse blonde mustache he’s been rocking in recent weeks. And according toSpencer Pratt, who met up with Bieber during the concert, he looked like an “angel.”

Courtesy Spencer Pratt

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“All of a sudden the door pops open and glowing like a dang heavenly angel is Bieber,” Pratt tells PeopleStyle exclusively, adding that Baldwin was nowhere to be seen, although singerHalseywas present alongside the singer. “I instantly threw up my phone and start snapping him like, ‘I love you JB!’ The whole clique I was with had no idea it was him because of his new style and facial hair and his long hair, but I knew because obviously I follow him on all platforms.”

And yes, Pratt, who was dressed in a tie-dye “Pratt Daddy” t-shirt, is totally into Bieber’s new look, which he says his Instagram followers compared to Matthew McConaughey inDazed and Confused.

The reality star adds: “He literally glowed. His aura was like a rainbow. It was beyond.”

Bieber has been sporting his low-key look as he hits the town with Baldwin. The two were most recently spottedattending a service at Churchome Churchin the town of Kirkland, Washington, which they followed up with a dip in the hot tub at their hotel. And last week, they werephotographed holding handsin N.Y.C, despite neither party confirming their relationship status.

“Right now, Justin is very happy with Hailey,” a sourcetells PEOPLE. “They have been traveling together between the East coast and L.A. now for the past couple of weeks.”

But the source adds that while their relationship is “good” right now, that doesn’t mean things have gotten serious between them.

“He always had a lot of love for her. But there was a reason for their split too,” the insider adds. “They are usually good for a while and then they are not. They do look serious now, but they are both young and passionate. It’s nothing to read into seriously. There are no wedding bells ringing.”

source: people.com