William is due attend a short private meeting related to the Royal Foundation Cyber Bullying Taskforce before giving his speech.
He said: "Manchester has had a tough year, and I personally stand in awe of the way that the people of Manchester have united in bravery and support of one another".More news: Twins get players from Mariners, Angels for global bonus money
Last month, William gave a speech at the launch of the taskforce at Google's London headquarters and said he hoped the United Kingdom could become a world leader on tackling cyberbullying.
He responded: "I'm not ginger".
William and Kate care passionately about the wellbeing of children, all the more so since becoming parents themselves. Kate, who is pregnant with her third child, looked especially stylish in a red dress by Goat, that perfectly framed her tiny baby bump.More news: Bungie Will Address Destiny 2: Curse of Osiris' Prometheus Lens Rifle Bug
The organisation aims to make children "smarter, stronger and kinder".
When asked about his Christmas plans, Prince William even provided a brief review of the show.
His royal father, the Duke of Cambridge, disclosed that Prince George tackled the role of the ruminant mammal during a visit to BBC's Bridge House in Media City with Kate Middleton. "It was amusing", before adding: "He was a sheep". They also watched a film made by a 14-year-old about his obsessive compulsive disorder.More news: Pep Guardiola 'Learns Lesson' From Manchester City's Win Over West Ham
'He was a sheep, ' his proud dad told the children.
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