Justin Bieber ignites controversies after posting a mystery photo of her new girl on his social media account which left her followers guessing who the lucky girl is.

The singer posted a photo him showing a leg of a woman whose body was covered by Justin's back. Unknown cannot easily be identified by just looking at the picture which left the fans of the 'Sorry' singer wondering.

Justin Bieber also added a caption to the photo saying, "Lord knows."

Many believed that the picture was just photoshopped while others are waiting for the singer to reveal his new mystery woman.

The 'What Do You Mean' singer has been posting throwback photos of him with Selena Gomez which made the former couple's fans excited. However, a source has told People that the 'Good For You' singer is not the mystery woman and the two are not getting back together.

Contrary to the recent actions of Justin Bieber, the source stated that he is not reconciling with Selena Gomez even if they miss and still care for each other.

Recently, Selena Gomez has been linked with the member of One Direction Niall Horan after being spotted together for a couple of times. Rumors sparked that the two are dating but 'The Heart Wants What It Wants' singer denied the speculations. Gomez clarified that they are just friends.

On the other hand, Justin Bieber has also been linked to Kourtney Kardashian who broke up with his husband Scott Disick a couple of months ago. Recent reports reveal that the 'Where Are You Now' singer is hooking up with the 'Keeping Up With the Kardashians' star.

Justin Bieber and Kourtney Kardashian were spotted together at The Nice Guy restaurant in West Hollywood. According to a source, the two were so touchy with each other and even smoked on the patio together.

Justin Bieber has not yet commented on who his mystery girl is.