Justin Bieber surprised the online world after posting a photo of him with ex-girlfriend Selena Gomez on Instagram. Social media fans and followers of the 21-year-old singer displayed different reactions after seeing the picture.

On Tuesday, Bieber posted a throwback photo of himself with the 'Good For You' singer showing the two riding a quad back together. The intimate photo of the former Hollywood couple became an online storm considering that they are no longer dating each other.

The 'What Do You Mean' singer sat behind Selena Gomez in the said photo which was taken while they were still together. The sensational picture was captured in Canada when the pair had their vacation.

Justin Bieber did not bother putting a caption to the photo when he first posted it. But after learning everyone's reaction, he then added a description which states that, "Just a throwback calm down."

The fans and followers of the 'Where Are You Now' singer went wild after seeing the throwback photo which suggests the reconciliation of the musician pair. Many think that Justin Bieber is not just simply reminiscing her past relationship with Selena Gomez, but is also giving people a hint that they are back together again. Some also think that the photo is a sign that the two are going to date each other again.

Recently, the two were spotted in a hotel in Los Angeles where Justin Bieber sang to the 'Hands To Myself' singer. Justin Bieber and Selena Gomez who both just released their new albums also admitted that they are not closing the possibility that they might become lovers again.

Last month, the 'Sorry,' 'No Pressure' and 'Love Yourself' singer told Billboard that he is open to the possibility of reconciling with the 23-year-old singer and actress.

"When you love someone that much, even if something comes between you, it's a love that never really dies," Bieber stated.