"Lucky Cha Cha Cha!" (ラッキーチャチャチャ！?) is the twelfth and last single single of the Morning Musume subgroup Minimoni. It was released on April 21, 2004 and sold 34,398 copies. It peaked at number six on the Oricon Charts. Its title track was used as the theme song to the miniseries Minimoni de Bremen Ongakutai.