The single originally peaked at Number 9 in 1994 but sold 84,000 copies last week to re-enter the chart following an epoch-redefining performance on ITV last Saturday. The profits from the single will be donated to Childline.
Elsewhere on the chart, P'!'nk climbs one place to Number 2 while The Saturdays fall to Number 3. There's also a new entry at Number 7 for your friend and ours Charlie Brown, while 'I Need Your Love' by Calvin Harris and Ellie Goulding is new at Number 25.
On the album chart, Resting Actor Justin Timberlake's 'The 20/20 Experience' holds at Number One for a second week, while Depeche Mode enter at Number 2 with their four hundredth album, 'Delta Machine'.
Other new entries include The Strokes' 'Comedown Machine' at Number 10 and OneRepublic's latest opus, 'Native', which is new at Number 35.