Fiorella Gelli Mattheis (born 10 February 1988[1]) is a Brazilian actress, model, television presenter,[1] entrepreneur and founder and chief executive officer of the startup Gringa.

[5] She has a degree in journalism from the Centro Universitário da Cidade do Rio de Janeiro since 2013[6] On July 20, 2013, she married Flávio Canto;[7] they divorced in September 2014.

[11] In early June 2015, Mattheis was honored as the godmother of the non-governmental organization Ampara Animal in Rio de Janeiro for her activism in helping needy cats and dogs.

[13] In July 2015, she posed in a bikini with fellow Vai Que Cola third-season actress Samantha Schmutz.

[14] In August 2015, Mattheis posed in an advertisement for the clothing brand PG with actor and designer Paulo Gustavo.