Is Tiana Major9 on Instagram? This image appears in the gallery:Tiana Major9: 11 facts you need to know about the 'Collide' singer 11. Is Tiana Major9 on Instagram? Yes, Tiana Major9 does have Instagram and her username is @tianamajor9. (Picture: Instagram) 11 images See the full gallery: Tiana Major9: 11 facts you need to know about the 'Collide' singer