In a statement, which didn't mention the baby's name, the Monaco palace said Princess Caroline is overjoyed at the arrival of her first grandchild.

NPR: Monaco's Princess Caroline Becomes A Grandmother

The Palace will step up the number of patronages in the coming months and claims that Kate is a plastic princess will soon fade.

CNN: Opinion: Author's rant on Catherine 'mean and cheap'

They were a black velvet and beaded gown worn for a Vanity Fair photo shoot by Mario Testino at Kensington Palace in 1997, and a burgundy crushed velvet gown the princess wore to the film premiere of "Back to the Future" in 1985.

NPR: Iconic Princess Diana Dresses Fetch $1.2M In UK