Even NBC's own Twitter account was posting photos from London's Olympic Stadium on Friday afternoon.

WSJ: 2012 London Olympics: Opening Ceremony a Tough Secret to Keep

The duo will be hoping to meet again in the 100m final at London's Olympic Stadium on August 5 and the 200m showpiece on August 9.

CNN: Lightning strikes twice as Blake beats Bolt again

Earlier in the week, Tottenham's proposal to take over London's Olympic Stadium with AEG after the Games in 2012 was branded as "completely unacceptable" by UK Athletics (UKA).

BBC: Sergei Bubka wants 2012 stadium promise honoured