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Nicole Siff
Also known as Bicep Princess, Nicole Autumn
Biography
About Nicole Siff
Nicole Autumn Siff is a muscular American adult model, cosplayer, fitness trainer, and porn star from Sacramento, California. She has natural brown hair, green eyes, and a muscular build. With no tattoos, her look is clean and athletic.
A certified fitness trainer, Nicole brings strength and discipline to her modeling work. She has built a following of 236,000 on Instagram, where she shares her fitness and cosplay content. As a porn star, she performs solo and partnered scenes, with full nudity as a central part of her work. Her real, natural breasts are a feature she is known for. Her diverse career spans multiple adult and fitness platforms, making her a recognizable name in these intersecting worlds.
Record
Profile details
Personal
- Birthplace
- Sacramento, California, United States
- Ethnicity
- Caucasian
Body
- Hair Color
- Brown
- Eye Color
- Green
- Boobs
- Real/Natural
- Tattoos
- None
Performances
- Solo
- Nudity (Full)
Nicole Siff on OnlyFans
$3.5/ monthsubscription
Activeabout 2 new posts a month, as of Aug 2026
Audience
- Subscribers
- 200
- Likes
- 3,539
Content
- Posts
- 19
- Photos
- 41
- Videos
- 19
Account
- Joined
- Feb 2023
- Est. earnings
- ~$2.3k — $9.3k+
Last updated Aug 25, 2026.
Frequently asked
What does Nicole Siff do as a fitness trainer?
Nicole works as a fitness trainer, which aligns with her muscular body type and athletic background.
How does Nicole Siff combine cosplay with her adult modeling?
Nicole is both a cosplayer and adult model, and her Instagram presence features content from both interests, drawing a diverse audience.
Did you know
- Nicole Siff's muscular build is a rare trait among adult models in her category.
- Despite having no tattoos, Nicole maintains a distinctive look with natural brown hair and green eyes.
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