Jessica Alyssa Cerro (born 14 August 1995), better known as Montaigne, is an Australian musician, singer, and Twitch streamer.

At the ARIA Music Awards of 2016, they won Breakthrough Artist – Release for the album and received nominations in three other categories.

[1] Their father, Gustavo Cerro, is an Argentinian former professional football player who played in the Australian National Soccer League.

[2] In October 2019, Montaigne captioned an Instagram picture of their ancestors, "So my ethnic background is a mixture of Argentinian, Spanish, Filipino and French, and these are my great grandparents from the French side..."[3] Jessica Cerro was a Triple J Unearthed High School finalist in 2012 with the indie pop song "Anyone But Me", but waited until finishing high school to pursue their music career.

In November 2012, Cerro signed a publishing deal with Albert Music and spent the following two years refining their songwriting skills under the guidance of Michael Szumowski.

Shortly after completing their HSC, Montaigne began recording their debut EP with producer Tony Buchen (The Preatures, Andy Bull).

[6] On 21 November 2014, Montaigne performed "I Am Not an End" for the radio station's Like a Version segment, along with their cover of Sia's "Chandelier".

In August 2015, Montaigne released "Clip My Wings", the first single from their debut studio album, Glorious Heights.

[21] "Ready" plays over the end credits of the 2022 film Good Luck to You, Leo Grande starring Emma Thompson.

[25] Later, SBS announced that following a risk assessment, they would not be sending a delegation to Rotterdam and would instead compete remotely using a pre-recorded live-on-tape performance.

[29] On 9 February, Montaigne was cast in the Special Broadcasting Service musical comedy Time to Buy, marking their debut lead role as an actress.

In an Instagram post announcing the release, Montaigne said "It's pretty much the biggest deal in the world for me to be able to collaborate with him", crediting his book How Music Works as a "groundbreaking read [and] totally changed how I approached live performance.

The artist said: "Jess and I have been friends for a few years and there is a lot of alignment in our practices; we are both interested in creating our own forms and approaches rather than strictly adhering to any one tradition.

Montaigne's work defies genres, while their mercurial soprano has become an indelible part of the fabric of Australian music.

"[34] In 2023, the video game Stray Gods: The Roleplaying Musical was released, featuring songs co-written by Montaigne.