Where To Stream Britain's Biggest 90s Hits Season 1 Episode 8

A celebration of the biggest-selling singles of 1997, with contributions from Blur's Alex James, Boyzone's Shane Lynch, Steps' Lee Latchford-Evans and Hannah Spearritt from S Club 7. The Spice Girls were huge, Aqua brought us Barbie Girl, and Chumbawamba were Tubthumping, but who had the biggest-selling single of the year?