The world lost an legend on Thursday night (April 21). Prince was found unresponsive in his famed Paisley Park studios in his native Minnesota. He was 57 years old. Celebrities (not just musicians but folks from all walks of life) have begun paying tribute to the music icon, perhaps none doing it quite as beautifully as Rihanna.

While performing in Calgary last night, Rih dedicated her somber hit "Diamonds" to the purple powerhouse, you can watch it in the video above.

That song has always been emotive, but here, RiRi breathes new life into it...and can we talk about that introductory speech? Swoon.

When you're done wiping away those tears, flip through our list of the 19 musicians who wouldn't exist without Prince.