Co-host of the comedy YouTube channel h3h3Productions alongside her husband Ethan Klein. Their prank and reaction video-filled channel has earned more than 6 million subscribers. She and Ethan also run a comedy podcast channel called Ethan and Hila that was closing in on 500,000 subscribers in 2016.
She first appeared on the h3h3Productions channel in June of 2014 in a video called "How to kiss -- h3h3 reaction video."
She is an artist, and her work can be found on her self-titled website.
She has a brother named Moses. She and Ethan welcomed a son named Theodore together in June 2019.
One of her and her husband's most watched videos would become "The Fine Bros Rant," a video that garnered close to 3 million views in just over a month.