Prince Harry spoke about his new-born nephew, Prince George at WellChild awards ceremony for children at The Dorchester hotel in London.
The 28-year old younger brother of Prince William revealed that he recently saw his baby nephew smile for the first time, adding that being an uncle was "fantastic", the Mirror reported.
Harry, who is a patron of WellChild, even spoke about being a prince, admitting that it was "good and bad".
He also delivered a short speech congratulating the winners and said that it was a "privilege" to meet the children and hear their stories
A royal spokesman confirmed that Harry had spent time with the Duke and Duchess of Cambridge at Kensington Palace earlier that day.