Jack Hemmings

Brother of 5 Seconds of Summer lead vocalist Luke Hemmings. He was about 18 years old when Luke Hemmings started making a name for himself on YouTube. He has a large presence on Instagram, with over 340,000 followers. He has another brother named Ben and parents named Liz and Andrew. He has frequently posted pictures on Instagram alongside his girlfriend Celeste. His brother performs alongside Calum Hood in 5 Seconds of Summer. [+]