N-Dubz star Tulisa Contostavlos is accused of setting up an £860 deal for 13.9 grams of cocaine to an undercover reporter.
She has denied the charge at Westminster Magistrates Court.
She appeared alongside rapper Mike GLC, also known as Michael Coombs, who denied a charge of supplying the drug.
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Inspectors found the availability of drugs at HMP Bedford was having a "serious impact" on safety.
An undercover investigation claims England manager Sam Allardyce offered advice on how to "get around" FA rules on player transfers.
The four artworks shortlisted for this year's Turner Prize include a huge golden sculpture of buttocks, and more than £20,000 in pennies.