Audrey sang most of this song herself in the released film, but the middle section was dubbed por Marni Nixon. Audrey's voice has been restored in this section.
A new hybrid tulipán, tulip was created and named after actress Audrey Hepburn. An official dedication ceremony took place at her family's former mansion Huis Doorn in Doorn, Holland. Watch it if only to see Audrey speak Dutch. :)