Williams joined Conrad Smith, Isaia Toeava and Ben Franks in meeting hundreds of excited fans.
But the one-hour slot wasn't long enough to get through them all and some were left waiting in the cold.
Kylee Whitiora knew that the way to get to the All Blacks was through her adorable son and sent her partner, Shanon Adam, off with 4-month-old Sonny Adam to soften the players up.
The rugby foursome happily passed the baby around and signed the back of his white jump suit, which Mrs Whitiora plans to get framed.
Further down the queue, children and adults were starstruck as the All Blacks quickly signed an item each for their fans.
While most people were eyeing up Williams, Jacob Doud couldn't wait to meet Conrad Smith. and the young rugby player was toying with whether to get his cast or top signed.
The 10-year-old's mother, Tracy Hesketh, was among dozens of parents who had let their children take a day off school so they could meet their idols and arrived from Raglan just after 1pm to be at the front of the long queue.
Keegan Parrish, 8, was disappointed his favourite player, Dan Carter, didn't make an appearance but his mother Donna said he would get another chance at Friday's game.