“Hi Taylor, this is your boy Flo Rida,” the rapper says introducing the video. “I just wanted to wish you a very, very happy 21st birthday. Matter of fact, I’ve got this song on my brand new album, what a coincidence, it’s called ’21’. Check it out.” Flo Rida is then seen at his concert in Detroit, Michigan on Monday (December 13) asking the audience to wish the country singer a happy 21st before performing ’21’. Watch it via Brightcove below.