She was educated at Aberdare Girls' School, where she first began to play netball, Neath Port Talbot College and Cardiff Metropolitan University.
[5][13][14][15] Lewis made her senior debut for Wales in 2010 during a qualifying tournament for the 2011 World Netball Championships.
[13][16] She was subsequently a member of the Wales team that won the 2010 Netball Singapore Nations Cup.
[4][21][22][23] Lewis made her 50th senior appearance for Wales in a match against Uganda during the 2015 Netball World Cup.
Aged 21 years, 7 months and 23 days, she became the youngest Wales international to gain 50 senior caps.