She was born in 1995 in Sivas. Her parents are teachers. Her mother is Hale Temizyürek and her father is Orhan Deniz. She got three years of theater education at her high school. At the age of 15 she wrote a poetry book titled I thought the Sun was my mother in Turkish. When she was 17, she joined a theater competition in her school and won an acting prize. She started with a tourism major at Ege University but soon changed her major to literature. Dilan participated in 2014 Elidor Miss Turkey beauty competition and won the 2. place. In the 2015 Miss universe pageant that took place in Miami she represented Turkey. In 2015 she acted as 'Ebru' in Tatlı Küçük Yalancılar. In that TV show she was joined with Bensu Soral, Şükrü Özyıldız, Alperen Duymaz, Beste Kökdemir, Büşra Develi, and Burak Deniz.