Christina Aguilera took to her Twitter account to comment on her new song for "The Hunger Games: Catching Fire" movie soundtrack.

"Love the underlying message of @TheHungerGames," Christina Aguilera wrote on her Twitter on Wednesday, September 25. "'We Remain' is special new song, its message to my fans & how I connect w/ the movie, alike."

Christina Aguilera announced she has recorded a new song for the upcoming "Hunger Games: Catching Fire" movie soundtrack. Not only that, but it sounds like the "Voice" coach also believes in the message and themes of the "Hunger Games" series.

The Twitter post was retweeted almost four thousand times, and Christina Aguilera fans responded with positive comments, E! News reports.

"this is so unexpected. I need to pee omg," one fan tweeted.

Another follower wrote, "@xtina I can't wait to hear it! I know it'll be extraordinary. Xo."

Aguilera did not say when the song would be released.

"We Remain" joins the previously-released piano ballad "Atlas," written and performed by Coldplay, as well as The National's "Lean," which will both be on the "Catching Fire" soundtrack too, according to E! News.

The same day Aguilera, 32, shared her news on Twitter, the official "Hunger Games" Twitter account announced that advance tickets for the sequel "Catching Fire" will go on sale Tuesday, October 1, at 12 p.m. ET, E! News reports.

The film, starring Jennifer Lawrence as heroine Katniss Everdeen, arrives in theaters November 22.