"The only big things I've purchased are my dad's heart valve and a Rolls-Royce for my parents, for their anniversary," says Gaga in the interview published in this last weekends edition of Financial Times.
The heart valve replacement surgery was for her father who likely suffered from a cardiovascular disease that damages the valves of the heart. Typically, these types of surgeries are covered by insurance – however a newer minimally invasive valve surgery has only up until recently been covered for people who are not physically safe to undergo major open heart surgery.
The fact that Lady Gaga says she purchased this for her father indicates that she probably helped him finance a minimally invasive valve surgery which leaves less scaring and side effects.
And as far as the Rolls-Royce goes, Gaga said it was a spending lapse that stemmed from annoyance. "That [car purchase] was only because my dad had a Lady Gaga license plate on our old car and it was making me crazy because he was followed everywhere, so I bought him a new car."
Lady Gaga says that the rest of the money she makes goes directly back into her shows and investments in her career.
Article: Is the TAVI Heart Valve Replacement Procedure FDA Approved?