The celebrity judge has been criticised by politicians and threatened with jihad for appearing on the reality tv show without a headscarf.
The Voice coach Will.i.am has branded the final result of the show and "unexplainable" - adding that he was "perplexed" by the public vote.
Former Oasis frontman Liam Gallagher has been booked as an unlikely guest on BBC1 talent show The Voice.
The BBC and ITV are set to go head-to-head in a ratings battle as they put their talent shows up against each other on Saturday night.
The Voice makes its debut at 7pm and Britain's Got Talent returns at 8pm, meaning the two shows overlap by 20 minutes.
Maroon 5 lead singer Adam Levine, a judge on the US talent search show "The Voice" has been explaining why he thinks the shows works so well.