Sierra Dallas is a famous American Vine Star and Social Media Personality who is best known from her activities on social video app Vine. Sierra gain huge fame from her makeup challenge videos and others videos,which she posts on her vine and YouTube Channel. Sierra has more than 350K followers on Vine and more than 450K subscribers on her YouTube Channel. Currently, she is not active on social video sharing app, Vine because this app was shut down in 2016. Sierra is also popular on Instagram and Twitter. Sierra has more than 1.4 million followers on Instagram and more than 650K followers on Twitter.

Birth Name

Sierra Dallas




YouTuber, Instagram Star



Personal Life

Birthday / Date of Birth

Sierra Dallas was born on May 12, 1990, in San Bernardino, California, United States.


She is currently 29 years old.

Sun Sign







Sierra attended California State Polytechnic University and graduated with a degree in communications.

Family Details

  • Father – Unknown

  • Mother – Gina Dalla
  • Siblings – Cameron Dallas (Younger Brother) (Internet Celebrity)

Marital Status



Boyfriend / Spouse

Sierra Dallas has dated –

  • Brent Mallozzi (2018-Present) – Sierra Dallas is currently 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 known to her fans as he regularly appears in her videos where their chemistry and humor are being liked by her fans. They married in June 2018.

Physical Statistics


  • In feet – 5 feet 7 inches
  • In centimeters – 170 mc
  • In meters – 1.7 m


  • In Kilograms – 52 kg
  • In Pounds – 115 lbs

Body Measurements

  • Measurements – 32-24-34
  • Bust – 32 inches
  • Waist – 24 inches
  • Hip – 34 inches
  • Bra Size – 32A

Body Build


Eye Color


Hair Color


Shoe Size

She wears a size 8.5 (US) shoe.

Dress Size

Her dress size is 4 (US).



Professional Statistics


Sierra Dallas is widely known as Cameron’s sister to the internet users, however before garnering fame and recognition with Instagram, she’s already a famous personality on Vine and Not long after she joined Instagram, she grabbed the attention of fellow Instagrammers with her quirky onscreen persona, captivating photos and her trademark tongue-out pose. She surprises her dedicated army of fans everyday by posting a range of her photos from variety of snaps to fully glammed up shoots. This rising internet star also has her own YouTube channel titled “TheeSierraDallas” where she uploads beauty and workout tips and DIY tutorials which has more than 337K subscribers. She is well-known for her hilarious videos, and of course, she talks a lot in her videos drives insane amount of traffic towards her videos.

Film & Television Debut

She hasn’t appeared in films or television series yet.

Brand Endorsements

Like other YouTube stars, she makes use of her popularity to endorse brands and products strategically by fusing them in her videos and posts.


She 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 1 million times.

Sierra Dallas Favorites

  • Favorite Healthy Snack – Fruits
  • Favorite Color – Green, Blue

Sierra Dallas Net worth

Sierra Dallas has accumulated a net worth of $850 thousand dollars as of 2019.

Social Media Portfolio

Some Lesser Known Facts About Sierra Dallas

  • 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”, “Sunday Fun Day with the Dallas”, among others.
  • Dallas was also popular on Vine with over 230,000 followers. Her @theesierradallas account has accumulated more than 550,000 fans.
  • She has a pet as a dog named ‘Jaxx’.
  • 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.


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