Jack Gilinksy is an American singer and part of the pop-rap duo Jack & Jack (with his long-time friend Jack Johnson) originally from Omaha, Nebraska.
After success via the social media app Vine, the duo turned to a career as musicians. They are best known for their 2014 single "Wild Life" which has peaked at number 87 on the US Billboard Hot 100.
He dated Madison Beer for almost three years from 2014 to 2017. Their relationship is referred to as Jadison by fans.