Gina Rinehart, a mining magnate worth $22 billion, wants her portrait removed from an Australian gallery

• Australia's richest woman has demanded an unflattering painting of her be taken down.
• The portrait, by Vincent Namatjira, shows mining magnate Gina Rinehart with a double chin.
• The National Gallery of Australia and Namatjira have both rejected Rinehart's request.

Australia's richest woman wants a portrait of her taken down from the country's national gallery, outlets including the Sydney Morning Herald reported.