“Brazilian actress Secco was born into a lower-middle-class family, daughter of Sílvia Regina Fialho, a homemaker, and Ricardo Secco, a mathematics professor. She has two siblings, Ricardo and Bárbara. At 8 years old she debuted in TV advertising and at age 10, appeared in her first TV show Brincando de Era uma Vez. At age 11, she starred in her first soap opera, Mico Preto by Rede Globo.
In 1999, she appeared in the novela Suave Veneno, as ‘WAG’ Marina. In August of that year, she also posed for the first time for the Brazilian edition of Playboy magazine, in the magazine’s 24th anniversary edition.
In 2000, she played her first villain in a novela, as the rebel Iris in Laços de Família. In 2001, she gained her first protagonist role in a novela, as the sweet Cecília, in A Padroeira.
In 2002, she played another TV villain – the comical and clumsy vampire Lara, in the novela O Beijo do Vampiro. That year, it was voted the most beloved character in a novela by viewers. Due to the great sensual appeal and prominence in the novela and the success of Lara, Deborah graced the cover of Playboy for the 27th birthday edition of the magazine in August that year.
In 2003, she joined the cast of the novela Celebridade, for the role of Darlene Sampaio, a girl obsessed with fame. In 2005 she played her first prime-time role in América – as Sol, a woman trying to make a living in the United States, even as an illegal immigrant.
In 2010, she starred in the series As Cariocas, as Alice, the penultimate protagonist of the series. Alice wants to experience everything intensely in the episode A Suícida da Lapa.
In 2011, she starred as a former prostitute in Bruna Surfistinha. Later that year, she played one of the protagonists in the novela Insensato Coração; the comic character Natalie Lamour. The character enamoured the audience and was praised even by the President Dilma Roussef. The actress was the second most popular Brazilian on the internet, due to the premiere of the movie and her novela character. She jumped from ninth place to second, behind only the president, in the month of January.”