Pink sends cryptic tweet hinting at second pregnancy

Pop singer Pink has hinted to her Twitter followers that she may be pregnant with her second child.

"I love that every time I find a box of Girl Scout cookies I'm pregnant. Guilty: I'm having a thin mint:)" she cryptically tweeted to her over 23million followers.

Pink has yet to tweet again to confirm the news but her fans immediately sent her congratulatory messages.

The Just Give Me A Reason singer already has one daughter with husband Carey Hart, two-year-old Willow Sage, and tweeted a heartfelt message and image to her fans on the American mother's day on 11 May.

"The most important jewels that will ever be wrapped around your neck are the arms of your children. Good job Mamas", she captioned the photo of her and young Willow.

Earlier in May Pink sent another cryptic tweet, saying: ""It crazy: record deal. Ur crazy: missundaztood. U crazy: marry mr hart. This is crazy: TBD etc etc." which had her fans speculating that she was pregnant.