Lady Gaga "completely" changed after being sexually assaulted as a teenager.
The chart-topping singer was raped at the age of 19 and has admitted the incident had a profound impact on how she's lived her life ever since.
She said: "The only person in this scenario that can heal you is yourself, and that is the complicated process."
Gaga, now 29, said she kept the harrowing incident to herself for years, admitting she didn't know how to cope with the emotional turmoil.
She told Entertainment Tonight: "I didn't tell anyone for I think seven years.