Lady Gaga, who last year spoke out about her struggles with post-traumatic stress disorder, places the call from her kitchen in California, and William answers at his desk in Kensington Palace.
Video: Watch Lady Gaga and Prince William discuss mental health over a FaceTime chat
Lady Gaga, who last year spoke out about her struggles with post-traumatic stress disorder, places the call from her kitchen in California, and William answers at his desk in Kensington Palace.