Gatto was born and grew up in Toledo, Paraná, Brazil, with an older and a younger brother.
[3] Gradually she picked up also other disciplines eventually drifting to mixed martial arts in order to challenge herself.
[3][4] She attended Western Paraná State University from where she graduated with bachelor's degree in languages.
[9] Later, news surfaced that Gatto was in fact pulled from the card due to testing positive for furosemide, a diuretic.
[15] In her sophomore appearance Gatto faced Sijara Eubanks on December 18, 2021 at UFC Fight Night: Lewis vs.
[28] Gatto faced Tamires Vidal, replacing injured Hailey Cowan, on May 18, 2024, at UFC Fight Night 241.