There are multiple artists that go by the name "ChiChi":

1) Cecilia Gault (Japanese: セシリア・ゴールト; born December 1, 1999), known as ChiChi (チチ/ちち) is an American singer-songwriter based in New York. She is of Japanese and Irish descent.

She released songs under her legal name Cecilia Gault up until 2024, when she began going by the stage name "ChiChi" to separate her solo music from her previous collaborations.

2) CHI CHI (치치), also spelled as CHI-CHI, was a four-member South Korean girl group formed by Trophy Entertainment and Yedang Entertainment. Debuting in 2011, the group originally consisted of 7 members. In 2012, the group made their debut in Japan. On October 23, 2013, it was confirmed by the group's choreographer, Reflexjun, that the group had disbanded. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.