The country singer's son wrote a heartfelt open letter on Instagram after that viral inauguration performance: "You’re not healthy Dad and everyone is noticing it."

Just days after Trace Cyrus said he and his sisters were "genuinely worried" about their father Billy Ray Cyrus' health, the 35 year old claims the country music star is threatening legal action against him.

Billy Ray Cyrus' son Trace says he and sisters Miley and Noah are 'genuinely worried' for their country singer dad. 'You've pushed all of us away,' he writes.

The post comes on the heels of Billy Ray, 63, and Braison's announcement that they are working together on a still-untitled album. On Instagram, a fan asked Billy Ray's other son, Metro Station guitarist Trace, 35, about Braison's claims their dad was doing well. Trace's response was simple: "Birds of a feather flock together."

Trace Cyrus has a message for his dad, Billy Ray. The former Metro Station singer posted a letter to Billy Ray Cyrus on Instagram, claiming his father is “not healthy” and “everyone is noticing it.” “It seems this world has beaten you down and it’s become obvious to everyone but you,

The “Hannah Montana” vet adopted Trace and his sister Brandi Cyrus from Tish Cyrus’ first marriage after he and Tish tied the knot in 1993. The pair, who divorced in 2022, also share Braison and daughters Miley Cyrus and Noah Cyrus.

Billy Ray Cyrus' son Trace didn't hold back in his open letter to his dad, and shortly after, the internet weighed in with their thoughts.

Billy Ray Cyrus’ son Trace Cyrus shared a moving message to his father following the “Achy Breaky Heart” singer’s unusual performance at President Donald Trump’s inauguration.

Firerose joins Trace Cyrus in speaking out about the country singer's condition following his "disaster" performance.

Billy Ray Cyrus' son is sharing concern for his father's wellbeing. In an Instagram post Wednesday, Trace Cyrus, the 35-year-old brother of Miley Cyrus and son of Billy Ray Cyrus, wrote a message addressed to his dad and said that he is worried about him.

Her remarks come just days after the "Achy Breaky Heart" singer's son posted an open letter urging his father to “seek help.”