Hutchinson is the senior vice president of Maesa, which makes the actress' Flower Beauty products, reported People magazine.
The new couple were spotted sipping on drinks and taking in a DJ set by Norwegian superstar Kygo at the XS Nightclub in Wynn Las Vegas.
Romance rumours first sparked between the two earlier this month, after Barrymore, 42, tagged Hutchinson in a two of her captions on Instagram.