The Irish singer formerly known as Sinead O'Connor has converted to Islam and changed her name to Shuhada Davitt.
The mother of four, who gained international attention for her arrangement of Prince's song 'Nothing Compares 2 U', made the announcement on Twitter.
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"All scripture study leads to Islam. Which makes all other scriptures redundant," said the singer, who was "very, very, very happy" after being given her first hijab.
"Thank you so much to all my Muslim brothers and sisters who have been so kind as to welcome me".
In Arabic, Shuhada can be translated to the word 'martyr', while Davitt is the name she gave herself when she first changed her name in 2017 to Magda Davitt. At that time Ms Davitt said she wanted to be "free of the patriarchal slave names. Free of the parental curses," reports the Guardian.
She was previously ordained as a priest by a Catholic group not affiliated with the Church, but became disillusioned with Catholicism following allegations of child abuse in the church and Vatican.
In August, Davitt wrote a letter to the Pope, asking to be excommunicated.
Davitt isn't the first celebrity to praise Islam for supporting them. Former heavyweight boxing world champion Mike Tyson credits the faith with saving his life and helping him off a dark path. He converted during his imprisonment for a 1992 rape.
Snoop Dogg announced his conversion at the Nation of Islam's Saviour Day Convention in Chicago in 2009.
In 2011, it was revealed that All Black Sonny Bill Williams had converted to Islam in 2009, becoming the first Muslim to wear the All Black jersey. In January this year, the rugby star visited the Saudi Arabian city of Mecca as part of an Islamic pilgrimage.