Something did change and she is now using composers she had not used before, and is trying to attract more foreign fans. There is no more to prove before the domestic audience so she is now trying to use movie techniques in her music videos to get more i-fans
But how do you know she is trying to appeal to i-fans ? Maybe she is now so big that she is just exploring new sounds, knowing that even if she doesn't stick to ballads she will get support from her fans. You sound as if she didn't have any creative input in her music, and it was all strategic.