Carrie Underwood's greatest hits album comes out in December, and in honor of its release her fans are celebrating a decade of the country artist's charity work.

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On Tuesday the Something In The Water singer reposted a collage on Twitter which featured pictures of her giving back to the community over the last ten years. The message immediately warmed Underwood's heart.

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From pet adoption to supporting the troops, Underwood has spent a great deal of time making sure her celebrity is used to make the word a better place. Followers responded strongly to the images, telling the singer how much she inspires them.

In addition to the release of her upcoming album, Underwood is also expecting a new addition to her family. The star is expecting her first child with her NHL player husband, Mike Fisher, next year. Underwood is expected to give birth to her baby boy sometime in the spring.

Greatest Hits: Decade #1 will be available in stores on Dec. 9.

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