Silence Marshmello feat. Khalid Download 'Silence' on iTunes
This image appears in the gallery:
23 Amazing Music Records You Didn't Know Existed
Yes, this really happened. The rapper took part in the world's largest group shower, which had 1,000 people involved. The challenge was a part of a project that explored ways to help the environment. "People did have their swimsuits and trunks on" Ludacris insisted at the time.