Class of '92 stars David Beckham, Paul Scholes, Nicky Butt, Ryan Giggs and Phil and Gary Neville arrived at the documentary's premiere at Leicester Square.
The former England captain attended the event with wife Victoria, and the couple's three sons Brooklyn, Romeo and Cruz.
When asked about reports that Beckham could become Sir David in the New Year Honours List, Styles replied: "Why not? He's a national treasure isn't he? It makes sense. I thought he was already."
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Actor Harry Shearer who is the voice of Mr Burns, Ned Flanders and Principal Skinner has re-signed for a 27th season of The Simpsons.
The 25-year-old Swede has made a fortune posting videos of himself playing computer games online.