Actor Philip Seymour Hoffman has passed away at the age of 46.

The Oscar-winning star of such films as 'Capote,' ‘Moneyball,’ ‘The Hunger Games: Catching Fire,' ‘The Master,’ ‘Boogie Nights' and ‘The Talented Mr. Ripley’ was found dead in his Manhattan apartment on Sunday (Feb. 2), Screen Crush reports.

His death is reportedly being investigated as a drug overdose. Hoffman's past struggles with addiction have been well-documented, including a stint in rehab in 2013.

Country stars took to social media to react.