Former Lostprophets singer Ian Watkins will contest his 35-year sentence for a string of child sex offences today.
A panel of judges at Cardiff Crown Court will decide whether the convicted paedophile has grounds for appeal.
The 37 year old, who is not challenging his 13 sex offence convictions, believes he was treated too harshly by sentencing judge Mr Justice Royce.
He was handed a minimum 29-year prison term and an additional six years on licence in December last year.
More top news
A Church of England bishop has criticised the PM for his controversial description of migrants seeking to come to the UK as a "swarm".
A senior Labour peer has said rogue peers should be immediately suspended from the House of Lords when scandals break.
Emmerdale star Anthony Quinlan has revealed he split his trousers in front of the rest of the cast and crew during filming.