Second, do it with a smile on your face--bonus points if you have a great smile. Third, you should have a getaway car just in case the other strategies aren't as effective as you were hoping they would be.
As you can see, Rihanna had all of the ingredients for the perfect diss delivery and it was so well executed that she totally called this paparazzo a "fat a**" and he literally didn't even care. In fact, he kind of seemed flattered and tried to have a moment there with Rihanna...and then bam, she disses him again!
Check the video above to see a double diss done totally right. Well played, RiRi.