Singer-songwriter Justin Bieber has sparked concern among his fans with regards to his marriage to Hailey Bieber. Justin has unfollowed his wife Hailey on Instagram. The couple had welcomed their first child last year, but have been at the centre of split speculations for months, reports Mirror.co.uk. Social media users have been claiming “it doesn’t look like things are going well” in the couple’s romance, despite them recently welcoming son Jack Blues into the world over the summer. As per Mirror.co.uk, when searching for Hailey’s account under Justin’s following list, it returns with “no users found”. Hailey, is still following her husband Justin. The singer previously unfollowed his father-in-law Stephen Baldwin and recently shared snaps of a bong, leaving fans confused. (IANS)