Fred Astaire and Ginger Rogers were romantic, glamorous and moved as one, but, of course, they were never partners in real life - they just faced the music and danced.
Lots of couples do the same thing. Judi Herman has been following ballroom enthusiasts including Debbie and Lionel who've danced together three times a week for the past twelve years.
She's also been watching Anita Wright rehearsing a play called Ballroom which opens today in Hammersmith, home of the legendary Palais.