In 2001, already a deputy, she obtained her master's degree in policies in the Federal University of Rio de Janeiro.

She caught the attention of the Brazilian press when she performed a dance inside the Chamber of Deputies, celebrating that her fellow deputy João Magno of PT was absolved of charges of corruption in the Mensalão Affair.

This expression has been frequently used to describe the absence of results in the investigation of politicians suspected of corruption.

"[2] The statewide repercussion of the episode was so great that Ângela Guadagnin was resoundingly defeated in the 2006 elections for the national Chamber of Deputies.

Two years later she was successful in winning a seat in the City Council of São José dos Campos for 2009–2012.