My Worlds: The Collection is the first compilation album released by Canadian recording artist Justin Bieber. As the international alternative to the Walmart and Sam's Club exclusive My Worlds Acoustic (2010), My Worlds: The Collection was released in numerous European countries on November 19, 2010. The album consists of two discs; the first is a slightly altered version of My Worlds Acoustic, and the second is My Worlds, a compilation itself made up of My World (2009) and My World 2.0 (2010).