Romeo Beckham showcased his unique sense of style as he arrived at mother Victoria’s swanky beauty event at her store in London on Tuesday evening.   The evening celebrated the former Spice Girl’s fashion brand and was attended by models and influencers the 21-year old footballer’s model girlfriend Mia Regan – with whom he recently reunited following a four month split.  Romeo opted for a purple printed Federal Reserve co-ord for the occasion with a graphic jacket and matching trousers – retailing for £800. Arrivals: Romeo Beckham, 21,  showcased his unique sense of style as he attended mother Victoria’s beauty event with girlfriend Mia Regan, also 21,  in London on Tuesday evening The…