Eliana has stated that she had a healthy childhood and that although she may not have had all the toys she wanted, she had the most important things: love, respect, and education.

When she was seventeen, Eliana was invited by Gugu to join the successful musical group Banana Split.

and Eliana made such an impression on host Silvio Santos that he invited her to take a screen test.

She was studying psychology at Centro Universitário das Faculdades Metropolitanas Unidas (FMU) at the same time.

Eliana begged Santos for another chance; he obliged and allowed her to present sketches on the TV show Sessão Padrão.

When Angélica left the Sistema Brasileiro de Televisão (SBT) in 1996, 23-year-old Eliana began to host ' 'TV Animal—a kids show about animals and fauna.

After successfully hosting TV Animal, Eliana wanted to present a program for the entire Brazilian family but was not able to reach an agreement with Santos.

She decided to sign a contract with Rede Record, where she would be able to pursue new interests and host a Sunday program.

Everything is Possible had segments based on reality shows like Wife Swap and was a hit on Sunday afternoons at Record.

On April 2024, Eliana announced her departure from SBT and in June she signed a contract with TV Globo to host The Masked Singer Brasil.

Together with her former boyfriend and business partner, Marcos Quintela, she founded EMB Produções, an entertainment company that not only takes care of its products but those of other artists.

The ecologically themed film, a recurring one in her television work, was directed by Eliana Fonseca.

The cast included Fúlvio Stefanini, Daniel Del Sarto, Ângela Dip, Fernanda Souza, Jackson Antunes, Karin Rodrigues, Elias Andreato, Supla, Rouge, and Netinho.