Can I participate in the contest?...

I can show you live demo.

Please upload modern studio press WordPress theme

Hey, I'm not sure what you mean. Can you explain what you mean by "live demo?"

Live demo mean working version of website in my webserver

sure

Do you have the theme used in your website now?

Or can i use Divi theme

I already have the modern pro theme currently in use with my current site: Kalecuties.com

I dont have that theme:)..I Can develop the website like www.sweetandfreelife.com by using divi theme and I can give licence also..
If modern pro theme is compulsory please upload that.

Feel free to use any theme you would like. :)