Did you miss the last episode of "Big Time Rush" where they premiered their video and song for "If I Ruled the World"? Then you're in luck!
Check out the clip from the episode below as Kendall, Logan, James, and Carlos travel around the world and end at a dance party at the beach.
You can pick up the single, which features Iyaz in the full version, on iTunes.
What is your favorite BTR song?