In this Portuguese name, the first or maternal family name is Lima and the second or paternal family name is Falabella. Santos lucelia was born in Belo Horizonte City, the daughter of actor Rogério Falabella and the lyrical singer Maria Olympia.

During her childhood she became interested in acting and began to participate in plays. At fifteen she released her first professional play, Flicts, written by Ziraldo. In her teens, she was one of the protagonists of the young adult telenovela Chiquititas. She lived for a time in Argentina, where the story was filmed. After becoming an adult, she went to college to study advertising but then abandoned her studies when she received better offers.

In a casting for actors, Falabella got her entrance into the most famous Brazilian television network, Rede Globo, in one of the seasons of the young adult series Malhação in 1998. After that the actress returned to her hometown to continue her work in theater, and eventually made a small role in the 1999 miniseries Mulher. In 2001, Débora premiered on Rede Globo telenovela starring in Um Anjo Caiu do Céu. Her talent impressed and she was called to join the main cast O Clone, and despite being among big players, young actress has been attracting attention for her brilliant performance, and earned her the award for Best Actress in Domingão Faustão. In the miniseries JK she played the role of Sarah Kubitschek, wife of Brazilian president Juscelino Kubitschek. In 2011, she played Clarisse, one of the main characters in the Emmy winner series, The Invisible Woman, and starred again with actor Rodrigo Santoro, in the films My Country and Homens do Bem.

In 2012, Falabella returned to telenovelas, starring in the most successful television production, Avenida Brasil receiving several nominations for Best Lead Actress. They have a daughter named Nina, in 2010 they separated. Best Actress at the Premiere Brazil festival by Françoise 2001. Best Actress in short film festival in the Golden Kikito by Françoise 2001. Best Actress in a Short Film at the awards Candango Trophy by Françoise 2001. Newcomer of the Year award for the Domingão Faustão The Clone 2001. Best Actress trophy at the awards Candango by Dois Perdidos numa Noite Suja 2002.

Best Actress in the Cinema Brazil Grand Prize for Dois Perdidos numa Noite Suja 2002. Best Actress in Prêmio ACIE de Cinema Dois Perdidos numa Noite Suja 2004. Nominated for best romantic couple by Agora São Elas 2003. Nominated for Best Actress Award Contigo Award Senhora Do Destination 2004.