Break All Day!

"Break All Day!" is the eighteenth single by Japanese recording artist Alisa Mizuki. It was released on May 10, 2000, as the first single from Mizuki's fourth compilation album History: Alisa Mizuki Complete Single Collection.

The title track is a Japanese-language cover of "Viva la Fiesta" by S Club 7, from their debut studio album S Club. It was written by Cathy Dennis and Stargate members Hallgeir Rustan, Tor Erik hermansen and Mikkel Eriksen, while the Japanese lyrics were written by Kenzō Saeki. The cover was produced by Hideki Fujisawa, credited as Dance Man. The song served as theme song for the first half (episodes 1–14) of the third season of the Fuji TV drama Nurse no Oshigoto, which stars Mizuki in the lead role. The B-side, "Shake Love," was written by Kentarō Akutsu and composed and produced by Tourbillon keyboardist Hiroaki Hayama.

"Break All Day!" is Mizuki's first single to be released in maxi single (12 cm CD) format.

Chart performance
"Break All Day!" debuted on the Oricon Weekly Singles chart at number 20 with 14,690 copies sold in its first week. The single charted for eight weeks and has sold a total of 46,150 copies.