Kate married football player Luis Garcia on 3 February 2001 but they got divorced in September 2004. She again married on August 2009 with her husband Aarón Díaz in a privet ceremony at the city of Las Vegas . However, on 26 July 2011, they separated with a divorced. She has married twice however, she does not have any children from both of her husbands.
Kate started her acting career as a child when she made her debut in The last escape released in 1978. Since 1991, she was well known for her television series Muchachitas which was released in Latin countries.
In 2007, Kate was known as "Star of the Year". She got her first role in Hollywood in "Bordertown" which was released in 2006. Other than acting she also has appeared in advertising campaigns for some multi-million dollar worth companies such as L'Oréal and Ford.
In November 2015 she became the spokesperson of a new brand of tequila named Tequila Honor del Castillo which was launched in association with the Vivanco Family. In 2017, Kate will be appearing in a Netflix television series Ingobernable.
In 2016, Kate has a net worth estimated of about $10 million. Kate has a dual nationality American and Mexican and has a mixed ethnicity.