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Justin Bieber, Ariana Grande, Little Mix, Will.i.am, Calvin Harris and Years & Years join the line-up for Capital in the radio station's latest TV campaign.

The TV ad premieres on ITV at 8.15pm on 27 August during The X Factor.

The activity includes 400 bus-sides around London, featuring Capital London breakfast hosts Dave Berry, George and Lilah.

A digital outdoor campaign on the London Underground will run from 12 September, offering commuters footage shot through a two-way mirror from backstage at Capital’s Summertime Ball.