01/23/2013 01:33 pm ET Updated Jan 23, 2013

Inspiring Tweets From Justin Bieber, Now Most Followed Person On Twitter

With around 33.33 million followers, Justin Bieber overtook Lady Gaga as the most popular user on Twitter on Tuesday, and we’re pretty sure we know why.

The teen heartthrob’s diehard fans may seek out @justinbieber for his latest music news, but they often walk away with inspiring messages on how to make the world a better place.

Whether it’s donating his birthday to raising money for people in need of clean water, or listening to his followers’ pleas to find a way to support –- and uplift –- a suffering fan, the pop star constantly channels his 140-character messages into movements that bring good to those who need it most.

Click through the slideshow below to read about Bieber’s top five all-time Twitter moments.