Eliza - who wore a midriff-baring white crossover top teamed with baggy ripped jeans - sang a selection of her hits during the gig which was streamed live on the internet from at Argos's new shop on Tottenham Court Road in central London.
The flagship digital store offers customers the chance to use tablets instead of catalogues and pencils to choose their items.
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You can communicate effectively about controversial topics like religion, politics and education. When you talk, people listen. Take this opportunity to lobby for changes to an outmoded institution. Making resources more readily available to the public will be a great use of your time. You're tired of seeing only the most privileged members of the community thrive. Promoting a more democratic approach will cause your stature to rise. Don't be surprised if a group asks you to run for office.More