It was actually painful to watch the entire film. I can see that it's trying to be funny but wasn't actually funny. It felt like the director is trying to say "Hey, this is where you're supposed to laugh!". Black comedy is hard to pull off and I'd say this one failed... with me at least.

The number of big name casting and cameo didn't help either. And not needed. Each of them didn't have any "performances" so to speak. Just "appearances"

But even with everything aside, the story just isn't that interesting. If you peel off all the glamours and colors, the basic story is so... basic and uninteresting. And it just felt like the director tried to dress it up with actors and colorful editing. In a way, it felt like an ordinary girl putting on lots and lots of makeup.