Every year at Coachella, the most surprising on-stage collaborations occur, with this year acting as no exception. Between a Destiny's Child reunion and Eminem bringing out 50 Cent and Dr. Dre, weekend one of the festival offered plenty of things for people to get excited about. The reunions continued after the stage lights dimmed down too, with Purpose Tour performers Justin Bieber and Post Malone chumming it up following Post's set at the fest. Posting on Instagram, Bieber linked up with his former opening act over a piano session, sharing his love for the "White Iverson" singer and praising the weekend's fun times.

"Great ending to a great day," started Justin, continuing, "So proud of you my brother. Love you Posty would do anything for you... btw peep the mj glove he’s wearing." The two developed a friendship before touring together as they unknowingly stirred the pot when photos of the two roughhousing at a club were shared by TMZ. Both stars proudly rock their Coachella bracelets in the photo, with Post wearing a Michael Jackson style glove on one hand, as pointed out by JB. Whether the pair is working on an official collaboration or if they were just playing around on the keys is yet to be determined but they have worked together in the past on Post's "Deja Vu" so a new track is not out of the question.

Would you be down for Justin Bieber's inclusion on Beerbongs & Bentleys or would that taint the project to you? Check out the photo below and let us know.