Stacey greets Margaret as 'Stacey' when they arrive at Montenaro.
Fiona talks about transferring money to an offshore account in the Caymans - a country that doesn't have an extradition policy. The Cayman Islands are not a country. They are a British Overseas Territory. Their extradition laws are the same as those of the United Kingdom.
In "The Princess Switch," Stacy and Kevin were competing in the 56th Baking Contest. In "The Princess Switch: Switched Again," Stacy is awarding the prizes for the 59th Baking Contest. She also states she competed 2 years ago.
In the first princess switch Kevin and Margaret are watching a movie that shows the end of A Christmas Prince which they state they love that movie, but in the second Princess Switch at Margaret's ceremony shows King Richard and Queen Amber attending.