Her big debut was the role in the movie Love.net (2011). Dilyana also starred in numerous TV series such as Class House (2010-), Velika Bulgaria (2011-), and Revolution Z (2012-), which was later continued by Revolution X: The Movie (2018).

The latest leading role she played was Maria in the biographical drama The Rest is Ashes (2020), dedicated to Atanas Burov - a cult Bulgarian banker and philanthropist of the last century (starring Asen Blatechki).

She also starred in several foreign productions like Train (2008), Joy & Sorrow of the Body (2012), and Death Race 4: Beyond Anarchy (2018) with Lucy Aarden and Danny Glover.

Dilyana's other film credits include One More Dream (2012), Sex Academy: Men (2017), and the short story Malice (2017).

She recently appeared in Niki Iliev's romantic comedy Reunion (2019) and also participated in the movie Bad Girl (2019).

When she is not acting, Dilayana devotes her time to environmental activism focused on recycling awareness, cleaning polluted areas, and other social causes.