Gavy NJ is a South Korean R&B female trio debuted in 2005. The trio had undergone multiple lineup changes and currently hold audition to formed new formations.
In 2006, their original label Goodberry Entertainment formed seven-members project group with including Gavy NJ as "Gavy NJ Project Group H7 Miin" prior to renamed as "H7 Miin Project The b" in 2010.
In 2009, original member Jung Hye Min left the group and was replaced by Misty. On November 17, 2011, original member Hee Young was announced to leave the group after finishing the promotion of the digital single "Gaseyo". In April 2012, Misty had left the group and would replaced by additions two new members. Their last original member Sihyun left from the group after her contract had expired in 2016 and was replaced by Seorin.
In December 2022, Jenny announced through her social media that she, Geonji and Seorin had ended their contract with GoodFellas Entertainment in March 2022. Later that months, it was announced that Gavy NJ's future activities would be managed by DSP Media following their label GoodFellas had been merger into DSP.
On May 8, 2023, DSP Media officially announced the audition to find new members for Gavy NJ.