Iggy Azalea took to Instagram to show off new ink that she got in honor of her son Onyx Kelly, who turns two later this month.The 31-year-old rapper - bornAmethyst Amelia Kelly - shared videos in which she was seen getting an intricate tattoo of Onyx, who was depicted as a cherub with a banner that read 'Onyx Orion' wrapped around his body.'My new favorite & most special tattoo!' the Fancy hitmaker gushed in the caption. New tattoo: Iggy Azalea took to Instagram to show off new ink that she got in honor of her son Onyx Kelly, who turns two later this month Getting inked: The Australia native was seen laying on a table while getting the new ink in the second video that she shared Tribute:.