Go behind-the-scenes on Bad Neighbours' mushrooms scene

Bad Neighbours is already a heady contender for funniest film of the year.

So we're rather chuffed to bring you an exclusive look behind-the-scenes on one of its funniest moments, as stars Seth Rogen and Zac Efron get swayed by a bag of mushrooms.

And it turns out that while the ones Rogen's munching may not be hallucinogenic, they're certainly not tasty either.

Bad Neighbours is available to own now on Digital Download via , or .