Amiguet was born in Paris, France,[1][2] grew up in Vaud, Switzerland[3] and was crowned Miss Suisse romande in 1997.

[4][5] She moved to San Diego in 2003,[6] married Matt Sivertson in 2008,[3][7] and settled in Pacific Beach around 2010.

[10][1][11] In 2019, Amiguet worked with Brand USA on a tourism video in Sioux Falls, South Dakota.

[2] In 2022, she directed a play called 2 Weeks with Ma Mère at San Diego Mesa College, which she wrote inspired by a visit from her mother.

[1] That same year, she starred in the found footage mockumentary film Everybody Dies by the End, which was made during the COVID-19 pandemic.