She is best known for anchoring Seven News bulletins on Channel 7 in Adelaide and for hosting the South Australian edition of Today Tonight for 12 years.
[1] In December 2022, it was announced that Mangiarelli and Will Goodings would succeed Jane Doyle following her retirement to anchor Adelaide's weeknight Seven News bulletins in 2023.
[2] Following the departure of Leigh McClusky as host of the South Australian edition of Today Tonight, Mangiarelli was appointed as her replacement.
[11] Apart from her roles with Seven News and Today Tonight, Mangiarelli has also been a part of the annual Carols by Candlelight telecasts and contributed to South Australian state election coverage.
[16] Mangiarelli is married to a television production coordinator who was working as a camera operator at Central GTS/BKN in Port Pirie when they first met.