Mariah Carey and Boyz II Men – “One Sweet Day”
Back in the ’90s, Mariah Carey and Boyz II Men ruled the pop charts, so it was a no-brainer that collaboration between the two would lead to explosive success, and that it did. Their 1995 single, “One Sweet Day,” took root at the top of the charts and stayed there for an amazing four straight months, giving each of them the biggest hit of their respective careers.