In July 2010, Lott appeared as a guest judge for the auditions for the seventh series of The X Factor in Cardiff, covering for Dannii Minogue, who was on maternity leave.
Pada bulan Juli 2010, Lott muncul sebagai juri untuk audisi seri keenam dari The X Factor di Cardiff , meenggantikan Dannii Minogue , yang sedang cuti melahirkan.