No, they are not. The girls were picked by the JYP company by auditioning.
It's Ye Eun(Second oldest of the member) who is the lead vocals of Wonder Girls. :)
yes
Wonder Girls is from Korean! :)
All of them
Wonder Girls was created in 2007.
No there just friendsduhhh. !!
Yes, they are all sisters.
Yes, it's called 'The Wonder Girls Movie".
Are you referring to the song "Tell Me" by the Wonder Girls?
yes
The leader of Wonder Girls is Sunye, otherwise known as Sun
I think that they don't have any assistant leader in Wonder Girls.