Mariah Carey's diet tips: baked clams?

What's inside Mariah Carey's refrigerator?

You don't wanna know! Two words: baked clams.

Gag-a-maggot!

But maybe you're curious. So check out the video (click HERE) in which she and her personal trainer-chef explain (on Oprah Winfrey's show)  what Mariah ate (and didn't eat) to slim down.

Photo: WireImage

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Mariah's "How to Dress Like a Diva" fashion tips, click HERE!