Gigi Hadid is celebrating her 27th birthday
Zayn Malik has 45 million followers on Instagram.
The British singer revealed his new look on the photo and video sharing app on Sunday, a day after his ex-girlfriend and mother of his daughter Gigi Hadid celebrated her birthday.
While it may have been a random Instagram post from the singer, some fans thought it was a cryptic message for Gigi Hadid.
In the picture posted on the Facebook-owned app, Malik is wearing a long beard.
This picture, which garnered 1.2 million likes in an hour, had no caption.
Meanwhile, on Sunday, millions took to social media websites to wish Gigi Hadid on her 27th birthday.