Cool Britannia had already faded by the turn of the Millennium and it had certainly disappeared by 2003. It was a mid-nineties thing, Britpop, the Word, alcopops, lads and ladettes, Euro 1996 and fuck knows what else I've forgotten. I mean... you could have even seen that from the Wikipedia article. Congrats all for completely irrelevantly making this an Iraq thread though!
In the same way that the Spice Girls probably gave it a fading coda until the end of the millennium it wouldn't otherwise have had I do genuinely think the best route is to have a band come out of Britpop which makes it Yugggge. I was also going to suggest that you get a One Direction analogue twenty years early but I really don't know enough about Boybands. Take That I'm guessing never made it 'over there' in part because the US was already well-stocked with boybands around this time.