Trace Cyrus penned a letter on Instagram to Billy Ray Cyrus saying he and his sisters are worried about their father.

Billy Ray’s children are ‘genuinely worried’ about their dad’s health, his son Trace revealed in a public statement.

The relationship between Billy Ray Cyrus and his son, Trace Cyrus, has come under scrutiny after Trace posted an emotional letter addressing his father's recent struggles. The heartfelt message was followed by Billy Ray's widely criticized performance at Donald Trump's inauguration.