Leanne Zaloumis, who is charged with trespassing on Cowell's west London property, spoke only to confirm her name and address - Brownhill Road, Catford.
She was remanded in custody at West London Magistrates' Court for her case to be heard by a crown court judge.
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Many people suspect that Sepp Blatter stepped down because of a 'smoking gun' - but they may be disappointed, writes Steve Scott.
Dry and sunny for much of the UK tomorrow with just a few showers remaining across the Northern Isles of Scotland.
The broadcaster and journalist said he had a 'shared enemy' with the former Lib Dem leader as they bonded over their battle with alcohol.