Iggy wrote. Iggy holds a newborn Onyx while she celebrated her 30th birthday back on June 7th. She also shared photos while holding her son along with a cute photo of Onyx taking a bath. Onyx‘s official birth date yet. Iggy shares Onyx with ex Playboi Carti. f you missed it, she recently took to social media slam him. Find out why. Check out the photos Iggy Azalea posted inside!More Here! »