Context: Hannah Montana, also known as Hannah Montana Forever in its fourth and final season, is an American musical comedy television series created by Michael Poryes, Rich Correll, and Barry O'Brien. It focuses on Miley Stewart (portrayed by Miley Cyrus), who is a teenager living a double life as an average schoolgirl by day and as the famous recording artist Hannah Montana by night. The story follows the daily life of Stewart, her brother, and her friends while also starring Cyrus's country singer father Billy Ray Cyrus as her dad.

Question: who did miley cyrus play in hannah montana?
Steam of consciousness below:
The relevant sentence in the passage is: It focuses on Miley Stewart (portrayed by Miley Cyrus), who is a teenager living a double life as an average schoolgirl by day and as the famous recording artist Hannah Montana by night.
So, the answer is Miley Stewart.