Hila first released her first reaction video on a poem "Girls Who Read" along with her husband Ethan in November 2013 when the couple was living in Israel. In April 2015, they moved to the United States, where they initially resided in New York City but moved to Los Angeles in August 2016. The couple has collaborated with other YouTube personalities, including "Filthy Frank", "JonTron", TheRyanJayShow, "PewDiePie", and "iDubbbzTV". From October 2015 until August 2016, Hila Klein had worked as a producer on the “JonTron Show”.
She first appeared on the h3h3 Productions channel in June of 2014 with a prank video. and She and Ethan also run a comedy podcast channel called Ethan and Hila which was a huge success in 2016.
Hila Klein is 30 years aged Israeli nationality Youtuber with white ethnicity. She got married to her husband Ethan Klein with whom she had an affair before getting married as Ethan Hila's boyfriend. Hila earns her salary from h3h3 productions and also from her painting. Her net worth is calculated to be about U.S $ 3 million in recent days.