The real Clair was the young daughter of O'Sullivan 's producer - manager , Gordon Mills , by the model Jo Waring , and the little girl 's giggling is heard at the end of this song .
The real Clair was the young daughter of O'Sullivan 's producer - manager , Gordon Mills , and his wife , the model Jo Waring . 
 The little girl 's giggling is heard at the end of this song .