Speaking to the Daily Star newspaper, an insider revealed: ''Jay is Kanye's closest friend so he wants him to be best man.
''Jay agreed initially but had one condition - under no circumstances can there be any reality TV shows filming him, his wife, Beyonce or daughter Blue Ivy during the ceremony.''
Meanwhile, Jay Z's wife is also said to be totally against appearing on 'Keeping Up With The Kardashians'.
The source added: ''The thought of popping up in 'KUWTK' mortifies Beyonce.
''She purposefully keeps herself away from trashy TV and isn't prepared to lower her standards for anyone, or any occasion.''
However, E! bosses - who run Kim Kardashian's reality show - are reportedly ''desperate'' to air the ceremony, meaning Jay Z may miss out on being best man.
The insider said: ''Bosses at E! are desperate to get the nuptials on air, and will pay millions to make it happen.''
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