INTRODUCTION
Sierra Jane Petrossi is an American singer and TikTok creator who first attracted attention through lip-sync clips, fashion videos and beauty routines. Known online as @sierrapetrossi, she has since taken her audience into music, releasing the pop single “Run Away” in February 2026.
Birth name: Sierra Jane Petrossi
Career
Singer, TikTok creator, fashion and beauty influencer. Known online as @sierrapetrossi, she has since taken her audience into music, releasing the pop single “Run Away” in February 2026.
Birthday
January 1, 2004
Age: 22
Zodiac Sign:
Capricorn
Birthplace:
Yorba Linda, California
Nationality:
United States
HOW BIG IS Sierra Jane Petrossi ON THE NET?
A recent third-party snapshot of @sierrapetrossi recorded approximately 898,500 TikTok followers and 57.4 million cumulative likes. These figures are snapshots, not live counts. Her account mixes personal videos with beauty content; one eyebrow tutorial referencing Anastasia Beverly Hills was recorded at about 2.8 million views.
HOW DID Sierra Jane Petrossi BECOME FAMOUS?
Her early rise was driven by short TikTok videos that could reach audiences far beyond her followers. A March 2022 clip responding to a comment with a pull-up was reported to have passed five million views. She later broadened her appeal through makeup and vintage-inspired fashion. In 2026, her music release gave fans a new reason to follow her beyond TikTok.
BEFORE THE FAME
Sierra grew up in California. Biographical reporting places the start of her TikTok posting in March 2022, before she became a recognizable fashion and beauty creator. Her early content established the casual, personal presentation that remains part of her online style.
CLOSE WITH (ASSOCIATED);
Her 2026 single “Run Away” credits Payton Christopher Ewart as a co-writer and Payton Moormeier as executive producer. She also appeared in a Nine West promotional post for its Marilyn Monroe collection in May 2026. These are documented professional connections, not assumptions about her private friendships.
Personal LIFE and Relationship
Sierra shares occasional glimpses of her life through TikTok and fashion posts, but her relationship status should not be inferred from older entertainment profiles or individual captions. Her music and beauty projects provide a clearer, more current picture of her public career.
Body Measurements
Height: Not reliably verified
Hair Color: Brown (styling varies)
Eye Color: Not reliably verified
Body Type: Not publicly verified
