Catarina
Also known as catkitty21, cat.theriine, catarinassecret, catarinakitty21
Catarina, who uses the nickname catkitty21, is an American model, blogger and content creator. She is active on TikTok, Instagram and OnlyFans.
Catarina publishes on three main platforms. Her TikTok account is @cat.theriine, her Instagram accounts are @catarinassecret and @catarinakitty21, and her paid subscription page on OnlyFans is @catkitty21, where she posts exclusive content for subscribers.
As of December 2025, she had more than 850 thousand followers on Instagram, 5.9 million on TikTok and 420 thousand on Twitter. Her popularity grew through consistent activity on social media, where she builds her audience before directing it to subscription content.
Her work is described as professional in approach, combining fitness material and fashion shoots. She offers subscribers photos, videos and personalized services through her subscription page, which is reported to be her main source of income. Her net worth is estimated at $2.5 to $3.2 million.
Known for
- fitness and fashion content
- large TikTok following
- Instagram presence
- paid subscription page
Questions about Catarina
Who is Catarina (catkitty21)?
Catarina is an American model, blogger and content creator. She is known online under the nickname catkitty21.
Where does Catarina post?
She posts on TikTok as @cat.theriine, on Instagram as @catarinassecret and @catarinakitty21, and on OnlyFans as @catkitty21. She also has an audience on Twitter.
What is Catarina known for?
She is known for combining fitness and fashion content and for building a large following on TikTok and Instagram. As of December 2025, she had 5.9 million followers on TikTok.