The Good Morning Britain host, 58, attended a charity event for the ASA Foundation where she was joined by TV personality Lizzie Cundy and a few other friends.
The 57-year-old, who tied the knot with the former political lobbyist in September 2005, opened up about what was said on Tuesday's episode of Lorraine.
Layla Waters appeared on the show to share her experience after Kate, 57, and co-host Adil Ray , 50, revealed that more than a quarter of Brits haven't been able to get an appointment with the NHS.