Katy Perry and Paul McCartney talk about their careers and then Sir McCartney recalls giving advice to Michael Jackson. #TheGNShow #TheGrahamNortonShow #GrahamNorton Follow us! Facebook - https://www.facebook.com/thegrahamnortonshow/ref=page_internal Instagram - https://www.instagram.com/thegrahamnortonshowofficial/ Twitter - https://twitter.com/TheGNShowFollow us here: Facebook: https://www.facebook.com/thegrahamnortonshow/ Instagram: https://www.instagram.com/thegrahamnortonshowofficial/ Twitter: https://twitter.com/TheGNShow TikTok: https://www.tiktok.com/@thegnshow Snapchat: https://www.snapchat.com/discover/The_Graham_Norton_Show/3773416663