The former X Factor judge wore a chic navy dress with white detailing and nude heels while arriving at the building on Thursday morning (26 June).
Unlike yesterday, the starlet tied her hair back in a half up, half down do.
Tulisa has been charged with being concerned in the supply of drugs following a newspaper sting operation last year. She has pleaded not guilty.
The N-Dubz singer was arrested in June 2013 after the newspaper accused her of offering to introduce their undercover reporter to an alleged drug dealer. She has denied this.
A lawyer for the 25-year-old said previously: "Tulisa has been charged with a serious criminal offence to which she has pleaded not guilty. In due course, Tulisa will give a full answer to these allegations."
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