It's the same in French.
Christine.
Christina means follower of christ
Christina and I work
Christie is a shortened form of Christina. Christine ~ French Cristina ~ Spanish
Christina means God like or having Godly character
The name Christina is of Latin origin and means "follower of Christ."
Follower of God
It is an Hawaiian form of Christina
Christine is the French form of the Greek name Christina, which means "Christ-bearer."
Well, because Christina is Christina and Christina is a Christina, so Christina is, therefore, called Christina.
The name Christina has no meaning in Japanese as it's not a name of Japanese origin. However, Christina may be written as クリスティーナ (kurisutiina) in Japanese.
I'm not sure who is meant by Christina, but if you mean Christina Aguilera, then at first people listened to her music on the radio or on CDs, but now that we have iPods, that is the new way to listen to her music and others' as well.