Week 4 dances and songs confirmed

I've updated the Week 4 results page with the dances and song choices now that the BBC have confirmed them. I've also updated the never ending song list, but to help you see which of this weeks songs have been reused, here's an extract with them in:

Couple Dance Song Series
Jake & JanetteJiveAll Shook UpSeries 12, Week 4
Alison & AljazSambaBootyliciousSeries 12, Week 4
Gloria & DarrenJiveBuild Me Up ButtercupSeries 3, Week 3
Edwina & VincentCha cha chaBuild Me Up ButtercupSeries 9, Week 1
Thom & IvetaFoxtrotBuild Me Up ButtercupSeries 12, Week 4
Frankie & KevinCha ChaCall Me MaybeSeries 12, Week 4
Alesha & MatthewTangoJealousySeries 5, Week 9
Judy & AntonTangoJealousySeries 12, Week 4
Steve & OlaSalsaJump in the LineSeries 12, Week 4
Simon & KristinaCharlestonMy Old Man Said Follow The VanSeries 12, Week 4
Pixie & TrentRumbaStay With MeSeries 12, Week 4
Tim & NataliePaso DobleThe BestSeries 12, Week 4
Mark & KarenQuickstepTiger FeetSeries 12, Week 4
Chris & OlaRumbaTotal Eclipse of the HeartSeries 7, Week 13
Scott & JoanneAmerican SmoothTotal Eclipse of the HeartSeries 12, Week 4
Sunetra & BrendanSalsaTurn the Beat AroundSeries 12, Week 4
Rav & AlionaQuickstepWe Go TogetherSeries 7, Week 3
Caroline & PashaQuickstepWe Go TogetherSeries 12, Week 4