Princess Feodora did not live in the palace and hence would not have been in a position to sell invitations to a ball. There is no evidence that King George IV wanted to marry her, and she was eager to leave Kensington Palace permanently after marrying the Prince of Hohenlohe-Langenburg.
Prince Albert did not give up the idea of suing for damages because of the publication of family etchings in _The Illustrated London News_. He successfully sued to suppress them.