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Confusion over advert for Jay Z 4:44 'film'

The rapper and his wife Beyonce are well known for loving the number four and there have been rumours of fresh material for some time.

But the situation's got more confusing after a TV advert aired in America on Wednesday night.

It's apparently for a new film called 4:44 starring Mahershala Ali.

The minute-long advert shows Mahershala, who became the first Muslim actor to win an Oscar last year, as a boxer training with Danny Glover.

The credits at the end of the clip say 4:44 also stars Oscar-winner Lupita Nyong'o.