[6] Among the most accomplished female grapplers of all time,[7][8] Nicolini holds third place for most IBJJF World Championship titles, with eight wins.

[citation needed] At the age of 14 she started Capoeira stopping 3 years later to focus on jiu-jitsu, training under Robert Drysdale, who she received her black belt from.

[citation needed] Nicolini was scheduled to face Cristina Meija at Inka FC 11 on June 23, 2011, in her mixed martial arts debut.

[25] Nicolini was scheduled to face Tiffany Teo, in a ONE strawweight title eliminator, at ONE Championship: Heart of the Lion on November 9, 2018.

[27] Nicolini was scheduled to face the reigning ONE Women's Atomweight champion Angela Lee, in a strawweight bout, at ONE Championship: Masters of Destiny on July 12, 2019.

[29] Nicolini challenged the reigning ONE Women's Strawweight World champion Xiong Jingnan at ONE Championship: Empower on September 3, 2021.