After-performances prediction:

Winner - Jules O'Dwyer & Matisse (10/10)
2 - Cor Glanaethwy (8/10)
3 - Isaac Waddington (7/10)
4 - Calum Scott (5/10)
5 - Jamie Raven (9/10)
6 - Old Men Grooving (8/10)
7 - Jesse-Jane McParland (7/10)
8 - BoyBand (7/10)
9 - Danny Posthill (6/10)
10 - UDI (6/10)
11 - The Neales (5/10)
12 - Entity Allstars (6/10)

I can't tell now after Isaac Waddington, and Jules and Matisse.

Anyone could win. And would deserve to win.