Need a pick-me-up? This music video featuring the cast of Pitch Perfect 2 will do the trick. It's for an original song called "Crazy Youngsters," and Ester Dean takes center stage, providing the main vocals. Brittany Snow and Anna Camp also star, along with Flula Borg. The video is fun, and the tune will definitely get into your head. The song is on the Pitch Perfect 2 soundtrack (along with another original song, "Flashlight"), but why wait? Watch the video below!