For Lego, making ‘Piece by Piece’ was its biggest gamble since stepping into feature films with 2014’s ‘The Lego Movie.’ When Pharrell Williams and Morgan Neville decided to embark on a movie about Williams’ life but animated in Lego pieces, they knew there would be culture shocks. But making “Piece by Piece” still led to some places that neither Williams, Neville or Lego could foresee.“We did have extensive conversations about how wide a back of a bikini bottom would be on a minifig in a ‘Rump Shaker’ video,” says Neville, chuckling.