The 40 Biggest Duets of All Time list includes songs that feature two singers sharing equal vocal duties on the track. Ranking is based on actual performance on the weekly Billboard Hot 100 since the chart launched in August 1958. Songs are ranked based on an inverse point system, with weeks at No. 1 earning the greatest value and weeks at No. 100 earning the least. So, here are the songs, hope you'll find something you like (: 40. The Closer I Get To You - Roberta Flack& Donny Hathaway , 1978 39. I Just Can't Stop Loving You- Michael Jackson & Siedah Garrett , 1987 38. I'm Your Angel- R. Kelly & Celine Dion, 1998 37. Wild Night - John Mellencamp & Me'Shell Ndegeocello, 1994 36. The Next Time I Fall- Peter Cetera & Amy Grant 1986 35. I Got You Babe- Sonny & Cher, 1965 34. All I Have- Jennifer Lopez & LL Cool J, 2003 33. No More Tears (Enough Is Enough)- Barbra Streisand / Donna Summer, 1979 32. The Girl Is Mine- Michael Jackson and Paul McCartney, 1982 31. I Knew You Were Waiting (For Me)- Aretha Franklin & George Michael, 1987