Neha Kakkar Singh is an Indian playback singer. She is the younger sister of playback singers Tony Kakkar and Sonu Kakkar. She began performing at a very early age at religious events. In 2005, she participated in the second season of the singing reality show, Indian Idol. She made her Bollywood debut as a chorus singer in the film Meerabai Not Out. She rose to prominence with the release of the dance track "Second Hand Jawaani" from Cocktail (2012), which was followed by several popular party songs, including "Sunny Sunny" from Yaariyan and "London Thumakda" from the 2014 soundtrack album Queen. Apart from playback singing, Kakkar has appeared in several music videos and as a judge on several television reality shows, including "Indian Idol".

Tony Kakkar is an Indian singer known for his pop songs. Kakkar made his debut in Bollywood in 2012, as a music director with the film Mr. Bhatti on Chutti, for which he composed the song "Good Boys Bad Boys". He is the brother of singers Sonu Kakkar and Neha Kakkar. In 2014, he founded Desi Music Factory, a record label along with Anshul Garg.