The Costume Diva: How to make a BIG pair of pants

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Dear Diva,

I have a BIG problem. I am costuming a production of Pinocchio and the actor playing Geppetto is quite “well-upholstered." He told me he wears a size 50 pants, however I think his nose is growing! When I took his measurements, he actually has a 58” waist and 55” hips. How do I construct a pair of pants that don’t make him look like an oompa loompa?

Signed,

Costumer-at-Large