First up are UK Pop Idol winners Will Young and Michelle McManus. Will performed at the Liverpool Echo Arena, as part of the Radio City Live event, where current X Factor mentor Tulisa also took to the stage, while Michelle was in her homeland singing at the Glasgow Show.
Over in Wales and Ponty's Big Weekend welcomed back former X Factor contestants Diana Vickers and Lucie Jones, both of whom were performing brand new tracks.
Finally, in an outfit fit for Judges' Houses, Sinitta delighted the audience at the Rewind Festival in Scotland, as she sang some of her most popular songs.
See these pictures and more from this weekend in our gallery below.