Final answer:
The first song performed in "The Cheetah Girls" is "Cheetah Sisters," highlighting the movie's themes of unity and teamwork.
Step-by-step explanation:
The first song that is sung in "The Cheetah Girls" is Cheetah Sisters. This song is a pivotal moment early in the film, where the members of The Cheetah Girls showcase their unity and friendship.
The song sets the tone for the movie's themes of teamwork, togetherness, and the strength of close bonds within a group working towards a common goal. While the other options like Girl Power, Together We Can, and Cinderella are also songs from The Cheetah Girls, they are not the first song performed in the movie.