Lia Marie Johnson started singing at around age 9. She started out by doing talent shows at school, before joining the chorus and then doing plays. After gaining popularity on YouTube, through Kids React, Lia began uploading covers of popular songs to her channel. Her debut single "One and Only" was released on July 3rd, 2011. Lia taught herself to play the guitar and can also play the flute and keytar. Lia was one of the founding members of the electro-pop trio Pink Army.