Danielle Cohn wasn’t yet a teenager when she began gathering fans. She got her start making videos on the shortform lip-synching video app Musical.ly, and her popularity on the platform resulted in a deal with production company Millennial Muzik. Cohn’s first song with the company was “Marilyn Monroe,” for which she and all her friends filmed a glitzy music video. But Musical.ly wasn’t equipped to host a full-length music vid, so once the project was completed, Cohn’s mom decided to upload it on her own YouTube channel to share it with the world.

Things snowballed from there. Cohn (who’s now 15) liked YouTube, and wanted to keep making longer productions — and not just music videos, but lifestyle videos like the ones she saw trending on the platform: challenges, and reaction vids, and stories about her life.

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