Prince William, Sir David Attenborough, Prince Charles and Prince Harry pose for the cameras (Image: PA)
Harry, 34 and William, 36, joined their father Prince Charles, 70, at the star-studded event to showcase Sir David Attenborough latest series.
The new documentary draws attention to climate change which is a cause close the the Duke of Susses and Cambridge’s heart.
The trio were all smiles and looked dapper in their black suits and bow ties.
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Among the high-profile attendees in the Capital were David Beckham and his son Brooklyn as well as singer Ellie Goulding.
This evening concludes a busy day for Prince
