She began her career in comedy in 2012. She won a competition and then joined the cast of "Humor de Salto Alto," the first all-female comedy group in the country. On Comedy Central, she participated in the show Drunk History – A História Bêbada, and has been part of the cast of República do Stand Up for 6 years. Also on Comedy Central, Arianna is part of the cast of the show A Culpa É Da Carlota, which is in its third season. She was a finalist in the 'Quem Chega Lá' segment on Domingão do Faustão and winner of the 'Fight De Piadas' segment on the show The Noite. She acted in the series 'Emergente Como a Gente' and then in the segment 'Isso É Muito Minha Vida,' both alongside Ane Freitas. She won the Revelation Comedian Award at the Risadaria Festival. Currently, she is performing her solo show "De Repente 40."