Tegan Kynaston shares an adorable photo of her newborn son Otto

Kyle Sandilands and fiancée Tegan Kynaston leave the hospital with newborn son Otto

Kyle Sandilands reveals he filmed his fiancée Tegan Kynaston's entire caesarean section

Kyle Sandilands, 51, wears scrubs at the hospital as fiancée Tegan Kynaston, 36, gives birth