Madonna's eldest daughter bore "resentment" over growing up in her mother's shadow.
The 67-year-old singer has teamed up with 29-year-old Lourdes Leon - whose father is fitness trainer Carlos Leon - for a track on her upcoming album Confessions on a Dance Floor: Part II but she admitted her offspring, who is more commonly known as Lola, had been "very reluctant" to work with her in the past because she didn't want to be seen as taking advantage of her family connections.
