And it's none other than his ex wife Kris Jenner!
According to a source:
[Image via WENN.]
Move over, Rihanna!
Florida Georgia Line just rocked the stage at the 2014 Academy of Country Music Awards with their super rad rendition of Stay, and it's almost as good as RiRi's version!
Ch-ch-check it out (above)!
Wow! They were hotter than billy goat's behind in a pepper patch!!!
We dig it!