Alejandra Andreu was born in Saragossa (Spain), in 1990. With only 15 days of age she wins her firs "beauty contest", obtaining the first price in a photographic contest for babies summoned by a national magazine. During her infancy and adolescence she reconciles her studies with sporadic works as a model.

In 2007 she was elected Miss Zaragoza, and one year later she obtained the titles of “Miss Simpatía” and Second Runner Up in Miss Spain contest. In November, 2008 she represented Spain in Miss International at Macao (China), rising with the winner's wreath besides with Miss Photogene’s title. Alejandra Andreu has been the youngest winner in Miss International history.

For Alejandra Andreu academic preparation and personal development are basic. As well as Spanish, she can speak English and French, and is a perfect classic and contemporary ballerina (titled by the Royal Academy of Dance). In addition, she collaborates with different charity and solidary projects like UNICEF, ASDES, FADES or H2O.

At present Alejandra Andreu reconciles her university studies of journalism with different works in Europe and Asia as model (gangplank, photography, and advertising) and TV conductor (she has collaborated with different television channels).