Hits in Portuguese is a collection of Portuguese in the successes of RBD launched on October 22, 2008, such as "Rebelde", "Fique em silêncio", "Salva-me", "Nosso amor", "Venha de novo o amor, "Ser ou parecer", "Celestial", and "Beija-me sem medo". End a Portuguese version, Hits em Português is set for an October 22, 2008 release. The album does not feature any new tracks, therefore there won't be any official singles taken from it.
Greatest Hits is the American version of Best Of. Greatest Hits is RBD's first compilation album released in the United States. The compilation was released on November 25, 2008, in CD and DVD formats.Greatest Hits looks back on the major hits that RBD achieved all around the world during their first four years as an international pop sensation. The compilation has different content for the United States public that differs from the content in Best Of and its Brazilian counterpart Hits Em Português. Among those differences are the inclusion of the song "Estar Bien", featuring Chilean pop group Kudai and Mexican singer Eiza "Lola" González, a karaoke track, a historical photo gallery, and that, contrary to its counterparts, which both boasted 15 tracks each, the album only includes 11 of RBD's greatest hits. The compilation's accompanying DVD contains the music videos for the songs present in the CD, plus karaoke and the making of the video for "Empezar Desde Cero".