Australian singer, Peter Andre, penned a beautiful letter to Prince William and Kate, Duke and Duchess of Cambridge, sharing his advice about raising children and other thoughts on parenthood.

According to HELLO! magazine, the 42-year-old singer shared touching words of advice and his experience in raising kids.  He has three children. Andre mentions in the letter that the more children he has, he has found parenthood getting easier.  He shared that his children are very close, especially Junior and Princess, and that they entertain each other and help look after their baby sister, Amelia.  He even adds that the joy about having a new baby is that Prince George will have friend that he can count on forever.

The Mysterious Girl singer also shared some touching advice to the royal couple: “Never neglect the other children, not even a minute,” wrote Andre.  “That’s where jealousy and resentment can build ... so involve them as much as you can.”    

He also has a special message to Prince William about how to take care of the new mother.  Lastly, Andre caps off his letter by saying that the truth to what makes a great parent is that “you put your children first”.

The newest addition to the royal family was born on May 2 at 8:34 a.m. in the exclusive Lindo Wing of St. Mary’s Hospital in London.  Princess Charlotte is Queen Elizabeth’s fifth great-grandchild and is spending her first weeks at the family’s country home of Anmer Hall, states People.