Ever since news dropped this morning that S Club 7 are set to reunite for this year's Children In Need, two things have been happening here at ASOS. First up: a faint hum of S Club 7 hits on loop in the office (#cool). Secondly, we've realised that the millennial pop septet were totally ahead of their time on the trend front. Not convinced? Check out the five ways you're already dressing like there ain't no party, without even knowing it.