Beautiful World is the tenth studio album of the Japanese boy band Arashi. The album was released on July 6, 2011 in Japan under their record label J Storm in two editions: a limited edition version with a 48-page booklet and a regular CD version with a 32-page booklet. The album debuted at number-one on the Oricon weekly album chart, selling 631,000 copies, making it their third consecutive album to reach sales of more than half a million copies. As of December 2011, the album has sold more than a million copies. According to Oricon, Beautiful World is the best-selling album of 2011 in Japan.

Both the first press and regular versions contain eighteen tracks. On November 28, 2011, a limited edition of the album was released exclusively by the shopping site "7-net". It consists of a bonus track Energy Song ~Zekkou chou chou (エナジーソング～絶好調超!!!!～), composed by member Kazunari Ninomiya and lyrics penned by the group.

"Beautiful World" includes five of the group's previously released singles: "To be free", "Love Rainbow", "Dear Snow", "Hatenai Sora" and "Lotus". "To be free" was used as the song for Mistuya Cider commercial with member Sho Sakurai as the endorser."Love Rainbow" was the theme song for the drama Natsu no Koi wa Nijiiro ni Kagayaku (夏の恋は虹色に輝く, lit. Summer Romance Shines in Rainbow Colours) starring member Jun Matsumoto. "Dear Snow" and "Hatenai Sora" were used as theme songs for the movie "Ōoku: The Inner Chambers" and drama Freeter, Ie o Kau. (フリーター、家を買う。, lit. Part-time Worker Buys a House) respectively, starring member Kazunari Ninomiya. "Lotus" was used as theme song for Bartender (バーテンダー) starring member Masaki Aiba.

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