"It's one of the best days of my life. I was stood in the tunnel so nervous my legs were shaking, but it was so cool going out with the team in front of all those people," Kaytlen told the Herald on Sunday.
"I was given a signed teddy-bear by the players and I also got to meet Manu. That was so cool, it gave me happy tears."
Tamatea, 31, from Kawerau was travelling in a humvee transporting a fellow soldier to see a doctor, when the explosion claimed his life and those of fellow Kiwis Jacinda Baker, 26, and Richard Harris, 21.
The tribute to Tamatea didn't manage to inspire the Warriors to a much-needed win, going down 32-12 to Manly.
The pain wasn't just on the scoreboard for the Warriors. Star play-maker Shaun Johnson was taken to hospital with a suspected broken ankle.