Possible Clues:

• Last - in Paris (film)
• Cousin of a habanera
• Fancy ballroom steps
• Does Nathaniel return or go to South America for this?
• Dance - for two?
• 'Hernando's Hideaway,' e.g.
• Coming from South America may make you lose your sunburn
• Got about an import from South America
• Latin American dance takes two to do it
• That's the 24 across to make one turn pale again