Kailyn Lowry, 29, is not letting COVID-19 stop her from having a small celebration for her son Lux‘s 4th birthday. The Teen Mom 2 star and her kids have all tested positive for the virus after a trip to the Dominican Republic, causing the birthday boy’s party to be rescheduled, but she made sure to still have a cake for the tot and shared a sweet pic of him flashing a smile in front of it on Aug.