In 2014 she was one of the youngest members of the England 2014 Women's Rugby World Cup squad, having played in the final versus Canada.

Matthews had returned from a hip operation just two weeks pre-selection for the tournament to win a place on the team.

[1] In 2017 she returned to England 15s as part of the 2017 Women's Rugby World Cup squad, playing in every game.

[4] She was named in the England squad for the delayed 2021 Rugby World Cup held in New Zealand in October and November 2022.

[5] Matthews joined Worcester Warriors in 2020 after the funding for the Women's 7s GB team was cut earlier that year.