She's on the fiddle but this times Lettice is adding her vocals to her act.
Electric violinist Lettice Rowbotham joined the Final line-up last night after coming second in the public vote..
Last night's semi-final winners Bars and Melody and Lettice Rowbotham have already picked up some a-list celebrity fans.
It's winners chat time and Stephen gets the lowdown from Bars and Melody and Lettice Rowbotham.
Simon's Golden Buzzer act Bars and Melody and Lettice Rowbotham will be performing in the Final.