Complex sentence: In December 2016, Riley performed a song from'Dreamgirls' at the Royal Variety Performance in London in the presence of Their Royal Highnesses the Prince of Wales and Duchess of Cornwall.
Split into simpler sentences: In December 2016, Riley performed a song from'Dreamgirls' at the Royal Variety Performance in London. A performance that was in the presence of Their Royal Highnesses the Prince of Wales and Duchess of Cornwall.