United Kingdom, Feb. 26 -- Pink and Carey Hart have separated.

The 46-year-old music star and Carey, 50, have called time on their relationship after 20 years of marriage, People reports.

The former couple - who have daughter Willow Sage, 14, and son Jameson Moon, nine - have so far remained tight-lipped about their current relationship status. But a source close to the situation has confirmed to People that they've split.

The celebrity duo got engaged back in 2005, after meeting at the 2001 Summer X Games in Philadelphia. Pink and Carey married in Costa Rica in January 2006, but the couple separated two years later.

They confirmed their reconciliation in the spring of 2009, after calling off their divorce.

Carey told People at the t...