01/29/2013 12:10 pm ET

Our Top 10 All-Time Favorite Justin Bieber Acoustic Covers (VIDEO)

Before he was an international mega-star and one of the most powerful celebrities in the world, Justin Bieber was just a kid with a guitar singing kick-ass acoustic covers. Now the 18-year-old makes music with some of the biggest artists in the industry, but back in the day Bieber posted YouTube videos of himself playing guitar and singing Top 40 hits like Lifehouse’s “You and Me” and Alicia Keys’ “Fallin'.”

In honor of the Biebs going back to his roots with “Believe Acoustic,” which dropped today, we've rounded up 10 all-time favorite acoustic covers from the pop star. Click through the slideshow below, and share your top picks in the comments or tweet @huffpostteen.

10 Justin Bieber Acoustic Covers