[4] Later that year, she was selected to represent New Zealand at the 2017 Women's Rugby League World Cup.
[8] In Round 1 of the 2018 NRL Women's season, she made her debut for the Warriors, kicking a goal in a 10–4 win over the Sydney Roosters.
[9] In October 2019, Nicholls-Pualau was a member of New Zealand's 2019 Rugby League World Cup 9s-winning squad.
[10] In October 2022, she was selected for the New Zealand squad at the delayed 2021 Women's Rugby League World Cup in England.
[14][15] On 27 Apr 2023 it was reported that she had returned to play rugby league with Canberra Raiders Women in their inaugural season.