Lucky Cha Cha Cha! (ラッキーチャチャチャ!) is Minimoni's 12th single, and the last for its second-generation line-up. The single sold 20,543 copies in its first week and 34,398 copies over all. The single V for the single sold 14,241 copies overall. "Lucky Cha Cha Cha!" was used as the theme for Minimoni's drama Minimoni de Bremen no Ongakutai.