Beyonce Knowles is officially out of this world.

The sexy superstar recorded a very special message for the astronauts on board the Atlantis spacecraft, which played for them as a wake-up call for Day 9.

Kicking off with the song "Run the World (Girls)," Beyonce then said hello to the crew and gave a special shoutout to one astronaut in particular -- saying "this song is especially for my girl, Sandy [Magnus] and all the women who’ve taken us to space with them, and the girls who are our future explorer."

Watch the full message above!

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