[2] Villa made her international debut at the 2015 City of Jesolo Trophy as part of Italy's Young Dreams team alongside Asia and Alice D'Amato.

[3] In 2017 Villa tore her achilles tendon during her floor exercise routine at the City of Jesolo Trophy and was unable to finish the competition.

Individually Villa won all-around and balance beam gold (ahead of Amelie Morgan of Great Britain), and vault and floor exercise silver, behind teammate Asia D'Amato and Romanian Ioana Stănciulescu respectively.

[9] In the all-around final she was able to win the gold medal after top qualifier Bachynksa suffered mistakes on both balance beam and floor exercise.

[10] She continued her strong performances into the event finals, winning gold on vault and floor exercise, ahead of Csenge Bácskay of Hungary and Morgan respectively, silver on uneven bars behind Russian Ksenia Klimenko, and finishing fourth on balance beam.

[14] She was slated to make her senior international debut at the 2019 City of Jesolo Trophy but had to withdraw at the last minute due to an injury to the middle finger of the right hand.

[17] In April Villa was officially named to the team to compete at the 2019 European Championships alongside Iorio and the D'Amato twins.

She received the fourth highest score on vault behind Simone Biles of the United States, Aline Friess of France, and Giulia Steingruber of Switzerland and the fifth highest score on uneven bars behind Nina Derwael of Belgium, Elisabeth Seitz of Germany, Biles, and Tang Xijing of China.

[27] At the American Cup Villa finished in seventh place after falling on the uneven bars, balance beam, and on floor exercise.

[29] In April Villa was selected to represent Italy at the European Championships in Basel alongside Alice D'Amato, Martina Maggio, and Vanessa Ferrari.

[32] Villa was named to the team to represent Italy at the 2020 Summer Olympics alongside Alice and Asia D'Amato and Martina Maggio.

[33] Villa won her third national all-around title in July; however she injured her ankle during floor exercise and was unable to compete at the Olympic Games.

Villa was later named to the team to compete at the World Championships in Liverpool alongside Alice D'Amato, Martina Maggio, Manila Esposito, Veronica Mandriota, and alternate Elisa Iorio.

Villa next competed at the Cairo World Cup where she once again won gold on balance beam and silver on uneven bars.

At the conclusion of the competition she was named to the team to represent Italy at the 2024 Summer Olympics alongside Alice D'Amato, Angela Andreoli, Elisa Iorio, and Manila Esposito.

[42] During the Olympic Games, Villa went viral for her previous sponsorship deal with the Consorzio del Formaggio Parmigiano Reggiano, the Italian business consortium that promotes and ensures the quality and authenticity of Parmesan cheese.