Cat Marnell
Also known as Caitlin Elizabeth Marnell, Caitlin Marnell
Biography
About Cat Marnell
Writer Cat Marnell is a journalist, author, and media commentator based in New York City. She worked as a beauty editor at Lucky and XoJane, wrote a column for Vice, and contributed to Self, Nylon, and Glamour. In 2017, she published the New York Times bestselling memoir How to Murder Your Life. Born in Washington, D.C., she is of Caucasian ethnicity and American nationality. She stands 5'4" with a slim build and natural 30B breasts. Her blonde hair and brown eyes are often noted in her public appearances. Her memoir details her experiences in the beauty and media industries, and she continues to write and comment on culture.
Record
Profile details
Personal
- Birthplace
- Washington, D.C., United States
- Ethnicity
- Caucasian
Body
- Hair Color
- Blonde
- Eye Color
- Brown
- Weight
- 118 lbs (or 54 kg)
- Measurements
- 30–23–32 (B–W–H) · WHR 0.72
- Bra/Cup Size
- 30B show conversions - UK: 30B, EU: 65B, AU: 8B, JP: 65B
- Boobs
- Real/Natural
Extra
- Instagram Followers
- 64k (as of April 2026)
Frequently asked
What is her most notable book?
She is the author of the 2017 New York Times bestselling memoir How to Murder Your Life.
Which publications has she written for?
She has been a beauty editor at Lucky and XoJane, wrote a column for Vice, and contributed to Self, Nylon, and Glamour.
Where is she based?
She is a media commentator based in New York City.
Did you know
- Her memoir made the New York Times bestseller list in 2017.
- She has worked as a beauty editor at two magazines, Lucky and XoJane.
Help improve this profile
Spot something wrong or missing? Fix a detail, add a link, or share a fact. Every submission is reviewed before it goes live.
Are you Cat Marnell?





