Some romances die hard. And, this time, we're not talking about Justin Bieber and Selena Gomez.

In fact, those two seem to be completely dunzo – at least for the time being – especially since the Biebs seems to be rekindling things with an old flame from way, way back.

The 19-year-old's long lost love, Jacque Rae Pyles, seems to be spending an awful lot of time with her ex lately, having been spotted sitting at his side during New York Fashion Week and again getting off his private plane in Las Vegas this weekend.

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Bieber and Pyles (Byles? Pyber?) first met in 2009 on the set of music flick "School Gyrls," which is also the name of Pyles's girl group. The pair were photographed together quite a few times, but never formally confirmed their relationship.

And then Selena Gomez came along. However, after more than two years of back and forth, on-again, off-again status, it seems those two lovebirds just aren't meant to be. But maybe these two are.

Pyles, 19, first appeared to be back in the picture – literally – during the MTV Video Music Awards, where Bieber was noticeably absent. "Get off ur phone Jacque," the star posted on Instagram alongside a dark and blurry photo of the brunette on her iPhone. That same night, he gushed on Twitter about his special meal ... and she followed it up with her own vague, but happy remark.

Great dinner. Life is beautiful — Justin Bieber (@justinbieber) August 26, 2013

like a fantasy, in front of me — Jacque Rae (@missjacquerae) August 27, 2013

Two weeks later, Jacque was seen front and center next to Justin in the front row at the Opening Ceremony show during New York Fashion Week. She shared an image of the two of them from the event on Instagram, along with a caption that included "#blessed." Aww…

Saturday, Pyles was spotted leaving Bieber's private plane in Las Vegas, where the pop star would later follow his buddy Mayweather into the ring. But the gal pal wasn't left all alone – she posted twice on social media thanking her stylist for suiting her up.

Looking good and taking trips? Yeah, we'd say these two are on the reheat cycle.

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