Analysis: Clive Coleman, BBC legal correspondent
It is all but impossible that Ms Lawrence will be able to recover the £15.95 party "no show fee".
Any claim would be on the basis that a contract had been created, which included a term that a "no show" fee would be charged.
However, for there to be a contract, there needs to be an intention to create legal relations. A child's party invitation would not create legal relations with either the child "guest" or its parents.
If it is being argued that the contract is with the child, it is inconceivable that a five-year-old would be seen by a court as capable of creating legal relations and entering into a contract with a "no show" charge.
It's amusing to imagine what a children's party invitation seeking to create a contract might say: "I, the 'first party', hereinafter referred to as the 'birthday boy', cordially invite you the 'second party', hereinafter referred to as 'my best friend', to the party of 'the first party'.