Ciao Bella Cinquetti (チャオ ベッラ チンクエッティ, Chao Berra Chinkuetti), formerly known as The Possible (THEポッシボー, The Posshibō), was a Japanese idol group originally formed on August 2, 2006, with six girls from Hello! Project's trainee group, Hello Pro Egg. After releasing several indie singles, they graduated from trainee status on October 7, 2007, and debuted as part of Nice Girl Project!. In 2014, they participated in supergroup Team Makenki with You Kikkawa and Up Up Girls Kakko Kari.
After Nice Girl Project!'s activities ended in 2015, they were transferred to Up-Front Works and changed their name to "Ciao Bella Cinquetti" following the release of their new single on July 8. They disbanded on August 2, 2018.