Can you guess this riddle?

I turn polar bears white - Eventually there will be one with white fur
and I will make you cry. - when someone dies
I make guys have to pee - when time goes by
and girls comb their hair. - There you go buddie
I make celebrities look stupid - eventually
and normal people look like celebrities. - eventually
I turn pancakes brown - time goes by when you cook
and make your champane bubble. - Eventually someone will shakeopen it, and it will bubble. It asks a question at the end :0
If you squeeze me, I'll pop. - Fuck you
If you look at me, you'll pop. - If you look at a clock for too long, you'll go crazy or something.
Can you guess the riddle?

Then the answer simply is : You can't guess it, or "No". Kindergarteners don't give a shit if they admit they don't know, people at Harvard do.