Social star best known for her lip sync videos on the app TikTok, where she is known under the username sig. Her account has upwards of 4.2 million fans.
One of her first featured videos on the app musical.ly, which later became TikTok, was captioned "ha my smiles ugly but #SmileChallenge."
She became popular on Instagram with more than 600,000 followers.
She posted a musical.ly video set to Skylar Grey's "Coming Home" in a tribute to her late brother that was featured by the app.