Li Jia Jia, formerly known professionally as Gaga, is a Chinese singer, dancer and former member of NATURE (네이처) and NAME (组合).

She made her debut in August 2018 (under the stage name Gaga) as NATURE's vocalist, rapper and center with their first single album, "Girls and Flowers". However, she went on hiatus in June 2019 to continue her studies back in China.

Later, n.CH Entertainment (n.CH엔터테인먼트) announced her departure from the group in October 2019.

She switched agencies and re-debuted in December 2021 as NAME's sub-vocalist and sub-rapper with their first single album, "Say My Name".

In October 2023, Yue Hua Entertainment (위에화엔터테인먼트) organized a survival show titled "Ren Bu Pa Chu Ming Zhu Bu Pa Zhuang” in order to determine the future of the group. Only 4 members were voted in to continue as members of NAME, and she finished in 7th place (last). As a result, she left the group in November 2023.