Just because a celebrity is super popular, doesn't mean they are always likeable or doing things that spread positivity.
A Facebook album that has gone viral online shows the kind acts that famous bands such as Metallica, Nirvana and Green Day have done. Unfortunately, most people have probably never heard about these heartwarming deeds.
In comparison, everyone knows Justin Bieber and One Direction. However, they might not be the nicest people on this planet, according to these Facebook posts.
Check them out in the gallery below.