Country music's biggest stars react to Merle Haggard's death

Country music legend Merle Haggard passed away on Wednesday. It was his 79th birthday.

The singer died after a series of recent health struggles, including pneumonia.

READ MORE: Merle Haggard, country music legend, dies at 79

Many of country music's biggest stars -- as well as other notable figures in music and Hollywood -- took to social media to react to the star's tragic passing. See there reactions in the gallery above.

Watch the video below for more on Merle Haggard's death:

Musician Merle Haggard Has Died
Musician Merle Haggard Has Died

See pictures of Merle Haggard through the years:

More from AOL.com:
Jake Gyllenhaal just revealed he's had a crush on Jennifer Aniston 'for years'
Kris Jenner just gave her family the best surprise ever
'People v OJ Simpson' writers explain 5 things they made up