“I pray she is now with her beautiful brother and her lovely mother. Rest in peace dear Me,” she said, followed by a stream of heart and flower emojis.
Melanie, who was a singer songwriter, was 55 when she passed and the cause of her death is not yet known.
Her brother George, died of liver disease on 25 December back in 2016.
They are both survived by their father Kyriacos Panayiotou and sister Yioda.