Trace Cyrus is Miley Cyrus's older half brother. He's 19 years old. He has his own clothing line called From Backseats to Bedrooms. He is in a band called Metro Station. With three people they are mason,anthony and blake. In 2007 after the mothers of Trace Cyrus and Mason Musso introduced them to each other on the set of Hannah Montana, in which Mason's brother, Mitchel, and Trace's half-sister, Miley Cyrus, star. Sharing musical interests, they decided to form a band.