One piece of the joint TikTok account gikk_sisters. She is joined on the account by Selma and Mathilde, and they have become known for creative lip syncs complete with dance moves and costumes.
Long before the advent of TikTok, she began posting photos to Instagram in July of 2013.
She has a YouTube channel called Cecilia Strønen Damm.
In addition to her sisters Selma and Mathilde, she has two brothers, Didrik and Benjamin.