Gabriella Demartino came to prominence as a fashion and beauty YouTuber who has released several videos as part of AwesomenessTV. Gabriella has operated the channel nikiandgabi beauty alongside her identical twin sister Niki. Thanks to her performance, her videos have won millions of viewers.

Gabriella was born on May 5, 1995, in Pennsylvania. She together with her twin sister Niki released their first video  Demi Lovato Inspired Curls Tutorial to their beauty channel on September 3, 2012. 

She was romantically linked to Brandon Grupe and the two formed a YouTube channel called GabiandBrandon. Gabriella with Niki made some videos inspired by Ariana Grande's looks.

Web Video Star Gabriella Demartino was born on Friday, her birthstone is Emerald, and the season was Spring in the Chinese year of Pig, it is 120 days until Gabriella Demartino's next birthday.