Buyers of Liza Minnelli memoir claim it was not signed by hand

Premium editions of Kids, Wait Till You Hear This! cost up to $250 but some say signatures are unnaturally identical

Liza Minnelli fans who bought signed copies of her memoir are seeking refunds because they believe her signature is fake.

Copies of Kids, Wait Till You Hear This! by the American 80-year-old singer were marketed around the world as hand-signed collectibles", with premium editions costing up to $250 (185).