The Princess and the Frog font here refers to the font used in the poster of the movie of the same name, which is a 2009 American animated musical fantasy comedy movie based on the novel The Frog Princess by E.D. Baker.
The lettering for the title in the poster is probably custom made but a font named Princess and the frog was created by Juan-e-b to imitate the lettering. The font is a free to use and you can download it for free here.
You can follow the link above to download The Princess and the Frog font. Use the text generator below if you want to create text graphics with the font online.
Create Text Graphics with The Princess and the Frog Font
The following tool will transform your text into graphics using The Princess and the Frog font, you can then save the image or click on the EMBED button to get links to embed the image on the web.