VIDEO: The Rifles at the Royal Albert Hall. We've been following their progress since rehearsals began back in July - up until the sparkling night itself. Divya Kohli caught up with them ahead of their big moment in London.
Interviewees: Corporal Nathan Jessup; Major Peter Clark; and Major Lawrence Sale.
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The Duchess of Cambridge has been driven to St Mary's Hospital in London in the "early stages of labour", Kensington Palace has said.
The Duchess of Cambridge has been on maternity leave since the week before Easter.
The Duke and Duchess of Cambrige have been together for 15 years and will have three children under the age of four.