On the occasion of The Holiday star's birthday on August 30, The All Black singer took to Instagram to share an endearing photograph of the couple. "I'm the luckiest guy alive - I get to spend the rest of my life right here. I love this woman!! Many more baby," he added in the caption:
The duo appeared to be all smiles after their trip to Sydney, where the musician has been hard at work, filming the Australian version of The Voice.