This is a very interesting topic and you have some good points.
There are a few grammar mistakes however.
These are the people from ordinary backgrounds and become famous in music, fashion and sports.
All the people who are famous in sport, music and fashion have come from ordinary backgrounds.Is it right for the media to put attention on lives of famous people?
Is it right for the media to publicize the lives of famous people?Recent years have witnessed an increasing attention is given to those celebrities by the media to cater to the taste and curiosity of the public.
During the last few years, the media has paid more attention on the lives of celebrities.There is no single reason has contributed to the climbing trend of excessive exposure to the lives of famous people.
It is unclear what you are trying to say in this sentence. Better rephrase it.
The final paragraph is unclear to me.
I hope my suggestions are of use. :)