RIO DE JANEIRO (AP) — Anitta has become a pop music sensation in her native Brazil and abroad, but Monday she will have her first shot to prove herself on the country's biggest stage: the Sambadrome.

Upon entering the Contest website, participants with a valid email address are to follow the on-screen instructions. Once a member becomes a winner, they will be contacted to confirm, their name, ...

Members of the Padre Miguel samba school performing at the Sambadrome during Carnival festivities in Rio de Janeiro, Brazil. REUTERS ...