Celeste is an actress, author, comedian, and internet sensation, known for her celebrity parody Instagram, which has over 9.6 million followers.

She has collaborated with Tom Ford, won "Funniest Lady on Instagram," and was named one of Variety's "10 Comics to Watch." Her memoir, Challenge Accepted!, was nominated for the ABIA Biography Book of the Year. She has starred in the Netflix series Wellmania, The Letdown, and Colin From Accounts S2. In 2020, she raised $52 million for bushfire victims and hosted Fire Fight Australia.