Chosen from an open casting for the leading role in Lance Daly's award winning feature Life's A Breeze, Kelly was nominated for a Lead Actress Film IFTA Award in 2014. Since then Kelly has been cast in a guest lead in RTE's most successful TV drama, Love Hate and appeared in season four of the show in the Autumn of 2013. Kelly appeared in John Carney's feature film Sing Street opposite Aidan Gillen and Jack Reynor.