Cristiana Monteiro Peres[1] (born April 14, 1987), known professionally as Christiana Ubach,[2] is a Brazilian actress.

Christiana Ubach was born in Rio de Janeiro, but she moved to Itaipava, a district of Petrópolis when she was still a child.

She also participated in the 2008 video clip "Beijo de Cinema" by the Brazilian band Madame Machado.

She was announced in late 2009 as the lead actress in Malhação ID playing the character Cristiana Araújo.

[4] After the end of the Malhação ID season in August 2010, Christiana Ubach signed a three-year contract with Rede Globo.