In this week's episode they sang the all American throwback, "Party In The USA," by Miley Cyrus.
While the two best friends were jamming out, someone popped up in the back.
Is there anything more American than Miley popping up when Hailey Bieber and Kendall Jenner are getting funky to "Party In The USA?"
If only we could all be as lit as Miley is singing her own song!
They finally let Miley in the car, and we can all enjoy this moment together.
Check out the full episode, here.