When news dropped that Frank Ocean had bowed out of his Saturday night headlining spot at FYF Fest this past week, fans at least got a major replacement in the form of Kanye West. Not only is Ye in the habit of bringing his music to the next level on stage, he's also constantly full of surprises. Last night was no different as West brought out both Rihanna and Travi$ Scott at separate points during his set. Rihanna emerged from the FYF Fest audience with a microphone in hand for a surprise performance of "Four Five Seconds." Not long after, Scott appeared on stage and ran through"Upper Echelon" and "Antidote."

Check out Ye and Rihanna's live performance of "Four Five Seconds" and "All Of The Lights" and other snippets from the show below.