Fake or not..
Atleast she has etiquettes to behave infornt of Guests and not wash their dirty linen like that.
If she wanted she could have engaged in mud-slinging infornt of Ajay and Kajol , causing them second hand embrassment .
But she didn't. That's the difference.
PaHira and Sana want attention be it of any kind at all times.
These people think bad publicity is also a good publicity