Díaz was born on August 17, 1986, in Guadalajara, Jalisco. She is of Spanish and French descent. In 2006, she made her television debut on, RBD: La Familia in the episode El Que Quiera Azul Celeste...Que Se Acueste!. In 2007, she starred in the telenovela Muchachitas como tú, where she played Leticia Hernández. Ariadne was also cast in the dual co-protagonist/antagonist role of Florencia Echevarria de Belmonte in Al diablo con los guapos.[citation needed]
She also played the daughter of the villain "Barbara Greco" in Mañana Es Para Siempre. In 2010, Ariadne Díaz was given her first starring role portraying a chubby, charismatic girl Marianela Ruiz y de Teresa Pavon in Llena de Amor. In June 2012, she starred in Prince Royce's music video, Incondicional from his album Phase II.[citation needed]