From one icon to another!!! Pop legend Madonna delivered an emotional tribute to her late friend Prince, who passed away at the age of 57 on April 21st, at the 2016 Billboard Music Awards in Las Vegas, Nevada on Sunday, May 22nd, where she performed "Nothing Compares 2 U" and teamed up with Stevie Wonder for "Purple Rain". Watch the amazing moment beneath:

The stars gathered to tribute a living legend in the CBS special, 'Stevie Wonder: Songs in the Key of Life — An All-Star Grammy Salute', which aired on Monday, February 16th and featured performances from some of today's top recording artists.

Those artists included Beyoncé, who teamed up with Ed Sheeran and Gary Clark Jr., Ariana Grande with Babyface, Lady GaGa, Pharrell and Ryan Tedder. Watch performances beneath: