Mairead Philpott's appeal at Nottingham Crown Court is the first to be televised outside of London.
The law was changed to allow cameras into the Court of Appeal last month, and today's case is set to be the most high-profile to be broadcast so far.
Philpott is appealing a jail term of 17 years for the manslaughter of her children in a house fire in Derby last year.
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A dry day with sunshine but cloud amounts increasing for the afternoon. Feeling warm in sunshine away from the Lincolnshire coast.
It will be feeling warm in the sunshine with mostly light winds, although it will turn breezier in the afternoon.
Detectives have launched an investigation after a schoolboy was hurt in a stabbing in Birmingham.