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Pregnant stars Beyonce and Jessica Simpson have revealed that they are both craving some pretty unusual foods!

The singers are both expecting babies at around the same time, and have added some pretty strange food to their diets.

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Beyonce revealed that she can't eat anything if it isn't covered in ketchup.

She said, "I liked it before I was pregnant but now I won't eat anything without it. Breakfast, lunch or dinner - I need to have a bottle of ketchup close at hand."

And Jess is obsessed with salt covered cantaloupe -- yes seriously!

She tells People.com, "I crave cantaloupe like a crazy person. But I put salt all over it, so I don't know if it's that healthy. I crave anything salty and sweet. That mixture to me is so good. I can eat a whole cantaloupe in one morning."

She has also stopped eating pizza, because it tastes "sour".