Miranda Kerr was out in Sydney this morning to celebrate her new appointment as Kids Helpline ambassador. The Kids Helpline is a phone service that aims to offer help for at-risk youth. Miranda appeared in her element as she posed with youngsters at today's photocall in Luna Park. She tweeted her delight at the new role this morning, writing, "Honored to be the Kids Helpline Ambassador." Meanwhile, back in LA, her own little one has been hanging out with dad Orlando Bloom. Last week, Flynn was seen taking a stroll in the Venice Beach neighborhood with Orlando. Miranda's been Down Under working on various Australian jobs, including a photo shoot for her Kora Organics line and a David Jones fashion show.