Irish singer and activist, Sinéad O'Connor, passed away at 56, leaving her fans heartbroken

Her worldwide fame came with the chart-topping song "Nothing Compares 2 U"

The Irish PM and President praised her unmatched talent and authenticity

Despite a challenging childhood, O'Connor found solace in music

She released acclaimed albums, won awards, and fearlessly stood for her belief

O'Connor's protest against the Catholic Church on TV caused controversy

She later converted to Islam but continued performing under her birth name

Tragically, her 17-year-old son's passing led to the cancellation of live performance

A documentary film about her life titled "Nothing Compares" is set for release

Tributes poured in from fellow musicians and fans, remembering her as an iconic and fearless artist