Bernardo began acting in 2003, appearing as the young Cielo in It Might Be You. She went on to play different roles in other ABS-CBN shows like Krystala and Vietnam Rose before landing a permanent spot in the hit kiddie show, Goin' Bulilit.
Her breakthrough role was Mara in the remake of Mara Clara with her co-star and real life bestfriend Julia Montes. Since its premiere, the teleserye was a consistent leader in primetime ratings. Affirming its success, the show was nominated in the 2011 Banff World Media Festival in the "Telenovelas & Soa