 Nyora kuenderera kweiyi ndima - Muna 2010, Catarina akakokwa naCarlos Coelho naAndrej Babic chikwata chimwe chete chinotarisira rwiyo Senhora do mar kuti vaite Canta Por Mim muFestival da Canção 2010, nzira yesarudzo yenyika yePortugal yeEurovision Song Contest. Kubvira pazuva rakaratidzwa neRTP, rwiyo rwacho rwakava runodiwa nevateveri muPortugal uye muEurope yose. Yakanga iri imwe yenziyo dzakatsvakwa zvakanyanya paYouTube panguva ye Eurovision mwaka uye yakanyanya kuridzwa pane webhusaiti yeRTP. Musi wa 4 Kurume, Catarina akaita muchikamu chechipiri chemakwikwi, achipedza 1st aine 4614 mavhoti uye akahwina nzvimbo mumakwikwi makuru. Usiku hwaMarch 6, Catarina akaita panzvimbo yechisere, achitangira rwiyo rwekukunda Há dias assim naFilipa Azevedo. Pasinei nokuva mufariri mukuru wevateereri vechiPutukezi, avo vakamupa mapoinzi gumi nemaviri akakurumbira pashure pokugamuchira 10,920 nhare dzenhare, Catarina akapedza 2nd, sezvo iye chete akauya 5th mukuvhota kwevatongi vematunhu. 