Jamie Lee Curtis

The 'Halloween' star once claimed that she had invented a diaper which wiped itself, but the parenting product never made it to market.

She explained: "In that moment, I said, ‘Aha, I have to invent a diaper that has a wiper built into the diaper.’ And I invented Dipe and Wipe, and I patented it. At the time, it felt a little landfill-y."