Tom Jones, will.i.am, Jessie J and Danny O'Donoghue take one artist each into the final, where they perform a solo number, a duet with their coach and their best song.
| Name | Type | Role | |
|---|---|---|---|
| Maroon 5 | Musical Guest | ||
| Ed Sheeran | Musical Guest | ||
| Holly Willoughby | Host | ||
| Reggie Yates | Host |