In 2001, she made her screen debut in the film version of Shakespeare’s Othello in South Africa. In 2002, she hosted Miss Europe 2002 in Lebanon, along with Miss Lebanon 1997 and Julien Lepers. Diana was signed by the Avalon Academy in 2006 as the face of the Academy and currently serves as a celebrity Guest Lecturer for airline personnel training programs. Hayden also appeared on the popular Indian celebrity show Bigboss, but was one of the contestants who were voted out by the audience. She authored a book called A Beautiful Guide which was released in August of 2012. Diana Hayden holds the distinction as the only Indian girl to appear in ads for the international company L’Oreal.