Justin Bieber looks pretty thrilled to be hanging with this babe on the set of his "All That Matters" video. 

When Justin Bieber released "PYD," his sultry R. Kelly-assisted ballad about throwing it down on any and all available household surfaces, we were pretty convinced that "sadz Bieber," aka that version of The Biebs who wrote cry-yourself-to-sleep love songs such as "Heartbreaker," "Recovery," "Bad Day," and "All Bad," had all but been sent to pasture.

Now, judging by the above photo of JB enjoying a cheek kiss and almost-ass graze (check that hand placement, Justin!) with a pretty blonde babe on the set of his "All That Matters" video, we're POSITIVE that he's feeling much, MUCH better.

Late last night, Justin took to Instagram to share the behind-the-scenes photo, captioning: "#allthatmattersmusicvideo." Which we're pretty sure is passive-aggressive social media code for "EAT YOUR HEART OUT, SELENA." And maybe also: "I prefer blondes now."

Seriously though, good for Justin! Not only has he switched gears from sad breakup songs to tracks about gettin' down and dirty on the balcony, a roof, and the parking lot, but he's visibly moved on, too.

But wait!! Let us not forget that "All That Matters" IS one of those sad breakup songs. What's this mean for the video? Is Justin gonna pull a "Cry Me A River" and reenact the end of his last relationship with that sexy blonde?? Only time will tell...

Photo credit: Justin Bieber's Instagram