Royal Fans Swoon Over Kate Middleton's Sweet Nickname for Prince Louis

Prince Louis, the youngest child of Prince William and Kate Middleton, recently made his first-ever royal appearance while volunteering with his family at a local Scout group in Slough

During the event, Kate Middleton was captured on camera using an affectionate nickname "Lou Bug" for her son, which garnered positive reactions from social media users 

The royal family participated in various activities during the Big Help Out initiative, including painting, shoveling, and archery, with Prince Louis and Princess Charlotte leaving their handprints on a wall mural.

Kate Middleton also revealed that her children have endearing nicknames for their parents, with Prince William being called "Pops" and Princess Charlotte referred to as "Mignonette" by her father in the past.