Nicole Siff, better known online as “Bicep Princess,” is an American bodybuilder and fitness influencer famous for her natural, vegan approach to building serious muscle. She has built a large following on Instagram (third-party trackers put the figure anywhere from roughly 96,000 to over 270,000 depending on the snapshot date) by sharing raw training footage, arm-day content, and her competitive bodybuilding journey.
Personal Information
| Category | Details |
|---|---|
| Full Name | Nicole Siff |
| Date of Birth | February 13, 2002 (per third-party fan/bio sites; not officially confirmed by Siff herself) |
| Age | Around 24 (as of 2026), based on an unofficial February 13, 2002 birth date |
| Nationality | American |
| Profession | Bodybuilder, Fitness Influencer, Personal Trainer |
| Platforms | Instagram (@bicepprincess), TikTok, YouTube |
| Known For | The “Bicep Princess” nickname; natural, vegan bodybuilding physique and viral arm-training content |
| Net Worth | Estimated around $2 million (unofficial online estimate, not independently confirmed) |
| Spouse | Not publicly disclosed; reportedly single |
| Children | None publicly reported |
Body Measurements
| Measurement | Details |
|---|---|
| Height | 5 ft 7 in (170 cm) |
| Weight | Approx. 121 lbs (55 kg) |
| Body Measurements | Not publicly disclosed / verifiable |
| Body Type | Athletic, Muscular |
| Eye Color | Brown |
| Hair Color | Brown |
Bio & Career
- Built her online following by posting natural bodybuilding and arm-training content under the handle @bicepprincess, describing herself in her own Instagram bio as a “Vegan bodybuilder natural.”
- Competed in the NPC Klash Series Championships (March 2023), placing 1st in the Women’s Wellness division and 10th in the Bikini division.
- Known for her dedicated bicep and arm-day routines, which regularly go viral and earned her the “Bicep Princess” nickname.
- Has built a large vegan-bodybuilding following online; third-party Instagram analytics trackers (e.g. Collabstr) place her audience anywhere from roughly 96,000 to over 270,000 followers depending on the snapshot date, with additional presence on TikTok and YouTube.
- Shares gym, food, Q&A, and vlog-style content via Instagram Story highlights, alongside her main feed of training videos.
Popularity
Latest News – Nicole Siff (2026)
- Nicole Siff’s NPC competitor profile remains listed on NPC News Online for the 2023 NPC Klash Series Championships, where she placed 1st in the Women’s Wellness division and 10th in Bikini — still the most recent competition result publicly documented for her.
- Third-party Instagram analytics trackers (such as Collabstr) place her following anywhere from roughly 96,000 to over 270,000 followers depending on the tracking snapshot, reflecting fast growth for her natural-bodybuilding content; Buzztify could not independently confirm one exact current figure.
- She remains active under the verified handle @bicepprincess, continuing to post gym, arm-day, and vegan-lifestyle content, with a cross-posting presence on TikTok and YouTube.
- No independently verifiable reports of new competitions, sponsorships, or major personal updates for 2026 could be confirmed via public sources as of this update; this section will be revised as verifiable news emerges.
FAQs
Who is Nicole Siff?
Nicole Siff, known online as “Bicep Princess,” is an American natural bodybuilder and fitness influencer recognized for her arm-training content and physique.
How old is Nicole Siff?
Her exact date of birth is not publicly confirmed, so her precise age cannot be independently verified.
How tall is Nicole Siff?
She stands at approximately 5 feet 7 inches (170 cm).
What is Nicole Siff’s net worth?
Her net worth is unofficially estimated at around $2 million, though this figure is not independently confirmed.
Is Nicole Siff married?
No confirmed spouse or partner has been publicly disclosed; she appears to be single.
Where can I follow Nicole Siff?
She is most active on Instagram at @bicepprincess, with additional content on TikTok and YouTube.
