In March 2006, Fernandez was crowned the Miss Sri Lanka for Miss Universe 2006 in March, 2006 and also competed in Miss Universe 2006, but was not a finalist.
After competing at Miss Universe, she worked as an anchor on Lanka Business Report and wrote a weekly column for The Daily Mirror while modeling in India. Fernandez also has a non-profit organization in Sri Lanka focusing on empowering the underprivileged.
Fernandez made her acting debut in the 2009 Bollywood fantasy movie Aladin directed by Sujoy Gosh alongside Amitabh Bachchan, Sanjay Dutt, and Ritesh Deshmukh. She played the character of Jasmine, the new girl in college who has come from America.
2010 saw her once again appearing alongside Ritesh Deshmukh again in the romantic comedy Jaane Kahan Se Aayi Hai. She also had a cameo appearance in Sajid Khan's Housefull, starring Akshay Kumar in the lead role while Deepika Padukone, Lara Dutta, Jiah Khan, Ritesh Deshmukh and Arjun Rampal feature in supporting roles. Now she is acting in a tamil movie called Mankatha. She is doing a special role and she is acting with Ajith kumar,Nagarjuna, Trisha Krishnan, Manoj Manchu, Vedhika Kumar and Luckshmi Rai.