After taking part in the singing competition The Voice of Holland in 2014, she was cast for the lead role in the Dutch musical The Bodyguard in 2015.

In September 2015, she made her acting debut in the musical The Bodyguard, in which she played the role of Rachel Marron.

In 2017, she presented the children's show Mijn vader is de beste for AVROTROS.

In 2020, Monteiro returned to the public broadcaster AVROTROS to present De Hit Kwis together with Kees Tol.

[4] On 22 May 2021, Monteiro announced the votes from the Dutch jury at the Eurovision Song Contest 2021, replacing Duncan Laurence who had tested positive for COVID-19 earlier that week.