ANSWER:

You need to have a serious discussion with her as what she is doing is a sin and it is your duty to prevent her from doing such a sin. If she doesn’t listen, stop paying for the WiFi and her mobile phone bills to reduce her time watching such filth. 

My wife trying to practice islam.bt now a days she is so much addicted in fb and she watches movie clips on fb most of the times.she is so much addicted that sometims she doesn’t concern about me.i call hr bt she didn’t respnd and kp watching fb.i tld hr instead of watching fb,you may read islamic books.but she didnt care.how cn i deal with hr in this case?