LONDON (Reuters) - Singers Dua Lipa and Stormzy were the biggest winners at this year?s BRIT awards, Britain?s most high-profile pop music awards, taking two trophies each at an event that saw performances from some of music?s biggest acts. Lipa was named best female solo artist and breakthrough act at the British Record Industry Trust (BRIT) awards, held in London on Wednesday, while rapper Stormzy won the British male solo artist prize and British album of the year for ?Gang Signs & Prayer.? Justin Timberlake opened the show with a rendition of ?Say Something? accompanied by a scores-strong choir dotted throughout the audience, while Dua Lipa was accompanied by dozens of dancers, also scattered throughout the arena.