This is the moment a little girl stole the show at her pre-school's Christmas recital.<br /><br />Mum Courtney Allen, 31, from Orange County, California, was filming her daughter in her pre-school Christmas recital when Cevyn, four, surprised her with the performance of a lifetime.<br /><br />Cevyn has achondroplasia, the most common form on dwarfism, and is the only little person in her entire family history.
