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."

Billy Ray Cyrus has faced ups and downs throughout his career in the spotlight. Cyrus, complete with his signature mullet, rose to fame in 1992 with the release of his chart-topping Grammy-nominated single “Achy Breaky Heart.” He’s since released 16 studio albums and been nominated for seven Grammy Awards.

After Billy Ray Cyrus faced technical difficulties during Donald Trump's Liberty Inaugural Ball, the country artist defended his performance.

The country star has long supported Trump and endorsed him before November's election, but he was in the minority among fellow celebrities.

Nashville artists including Kid Rock, Carrie Underwood, Jason Aldean, Billy Ray Cyrus and Lee Greenwood took various stages to perform on behalf of Trump's inauguration.

Carrie Underwood and The Village People are among the artists who performed for President Donald Trump's Inauguration Day.

President-elect Donald Trump had one of the biggest names in country music performing at his swearing-in ceremony.

Several other well-known artists are performing at one of the inaugural balls including Rascal Flatts, Gavin DeGraw, Jason Aldean, The Village People and Nelly. Rapper Snoop Dogg performed at a pre-inaugural "Crypto Ball" on Friday night .

Jason Aldean sent fans into a frenzy with his performance at the Inaugural Liberty Ball. The You Make It Easy singer doubled down on his support for President Donald Trump with his Inauguration Day performance.

From Carrie Underwood and Billy Ray Cyrus to Village People and Nelly, here are musical acts that performed at President Donald Trump's inauguration events.

In addition to DeGraw, Carrie Underwood, Lee Greenwood, Kid Rock, Billy Ray Cyrus, the Village People, Jason Aldean and Rascal Flatts, among others, are set to perform at various Washington, D.C., venues.

Styled by longtime collaborator Marina Toybina, Underwood wore a sleeveless dove gray draped midi dress by Opificio Modenese for the ceremony. The “Before He Cheats” singer completed her look with ivory leather T-strap Ingiliz pumps and a Noä diamond leaf ring.