The queen of tattoos on her back is the battle of Waterloo.
7 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 00:26:21 in the Blu-ray version of the movie.
Quote context
[...]
- Really?
- Can you play the piano? I can. And sing at the same time. Listen.
- Lydia, oh, Lydia, say, have you met Lydia? Oh, Lydia the tattooed lady.
- She has eyes that folks adore so, and a torso even more so.
- The queen of tattoos on her back is the battle of Waterloo.
- Beside it the wreck of the Hesperus too, and proudly above Waves the red, white, and blue.
- You can learn a lot from Lydia.
- Ah, petite soeur! Tu es un véritable petit Chopin!
[...]