Sienna has 1 Giggs concert.

Nathan Thompson (born 1983, better known by his stage names Giggs or Hollowman, is a British rapper from Peckham, South London. He is the leader of SN1 (Spare No 1), a branch of the Peckham Black Gang, alongside his brother Joe Grind, Spender, YG (Young Giggs) and Gunna D. Other artists within this group include Kyze and Tiny Boost. The group's main producers are Simple, Boomblast, Unit 10, Universe and Pablo.