Sierra Dallas is a social media influencer and Instagram star who needs no introduction, at least to the social media junkies. Starting her journey on the now-defunct Vine, she later took her talents to other social media platforms like Instagram, YouTube, and TikTok. She has over 2.3 million followers on Instagram. Dallas also runs her own self-titled YouTube channel, to which she uploads videos covering diverse topics ranging from beauty to lifestyle to tutorials. With her magnetic personality and strong family connections—including being the sister of internet sensation Cameron Dallas—Sierra has carved out a unique identity in the digital space, gaining millions of fans worldwide. So, who is Sierra Dallas? Here’s everything you need to know about the content creator.
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Sierra Dallas Biography
Sierra was born on the 12th of May 1990, in San Bernardino, California, United States of America. She is currently 35 years old.
| Birth Name | Sierra Dallas |
| Nickname | Sierra |
| Date of Birth | May 12, 1990 |
| Place of Birth | San Bernardino, California, U.S. |
| Age | 35 |
| Sun Sign | Taurus |
| Profession | YouTuber, Instagram Star |
| Nationality | American |
| Ethnicity | White |
| Marital Status | Married |
| Spouse | Brent Mallozzi |
| Children | 3 |
Family Background
She is the daughter of Gina Dallas, and she shares a strong bond with her younger brother, Cameron Dallas, a famous actor, model, and internet personality who first found success on Vine and later in Netflix’s Chasing Cameron.
Education
Sierra attended California State Polytechnic University and graduated with a degree in communications in 2013.
Sierra Dallas Boyfriend
Sierra Dallas has been dating fellow YouTube star Brent Mallozzi since her college days. He works as an insurance agent and project manager. He is his brother’s friend. Brent is very well-known to her fans as he regularly appears in her videos, where their chemistry and humor are liked by her fans. The couple tied the knot in June 2018. They welcomed their daughter, Capri Rose Mallozzi, on May 9, 2019, and their sons, Callum K. Mallozzi, on June 11, 2021, and Troy Hendrix Mallozzi, on September 11, 2022.
Physical Statistics
| Height | Feet – 5 feet 7 inches Centimeters – 170 cm Meters – 1.7 m |
| Body Build | Slim |
| Eye Color | Brown |
| Hair Color | Brown |
| Sexuality | Straight |
| Distinctive Features | Her Expressions |
Career Overview
Sierra Dallas is widely known as Cameron’s sister to internet users; however, before garnering fame and recognition with Instagram, she was already a famous personality on Vine and Musical.ly. Not long after she joined Instagram, she grabbed the attention of fellow Instagrammers with her quirky onscreen persona, captivating photos, and trademark tongue-out pose. She surprises her dedicated army of fans every day by posting a range of her photos from a variety of snaps to fully glammed-up shoots.
The internet star also has her own YouTube channel titled “TheeSierraDallas,” where she uploads beauty tutorials, lifestyle vlogs, and family-oriented videos, which have more than 337K subscribers. She is well-known for her hilarious videos, and of course, she talks a lot in her videos and drives an insane amount of traffic to her videos.
Sierra remains active on Instagram, with over 2.3 million followers, and TikTok, where she has amassed more than 550,000 fans. Her transition to motherhood has also shaped her content, with recent videos focusing on pregnancy and parenting, resonating with a new demographic of followers.
Brand Endorsements
Like other YouTube stars, she makes use of her popularity to strategically endorse brands and products by fusing them in her videos and posts.
Sierra Dallas Net Worth
As of 2025, Sierra Dallas has accumulated a net worth of $1 million. Her earnings are bolstered by sponsored content, advertisements, and collaborations with fashion and beauty brands. As her career continues to evolve, her net worth is expected to grow, reflecting her ongoing success in the digital space.
Facts
Sierra Dallas launched her YouTube channel on June 6, 2012. Her popular YouTube videos are “Makeup Challenge with My Little Brother Cameron”, “FIGHT WITH CAMERON + MOM CRIES I SIERRA DALLAS”, and “Sunday Fun Day with the Dallas”, among others.
Dallas was also popular on Vine with over 230,000 followers. Her theesierradallas musical.ly account has accumulated more than 550,000 fans.
Before getting fame, Sierra Dallas worked for YMI Jeans and ApparelDeals.
She produced a YouTube video featuring her brother in which they did a makeup challenge; the video was viewed over 2 million times.
She has a pet dog named ‘Jaxx’.