Elisabeth Xavier Miessa[2] (born 25 January 1961[1]) is a Brazilian actress, singer and playwright.

Her first appearance on television was in teleteatro Alô, Alguém aí?, William Saroyan, aired by TV Cultura in 1975.

She debuted as an actress in the soap opera Papai Coração in 1976 TV Tupi.

In 1989, with Kika Sampaio she studied tap dance with Ruth Rachou and Val Folly and lyrical singing with Marga Nicolau.

Separated in 1988, Beth was also involved with director Gerald Thomas, who staged the play Elektra Com Creta in 1986.