Judge Traverson said that arguments from the prosecution - that the care home owner arranged for his wife to be killed while on their honeymoon - were not strong enough to bring about a conviction.
SHRIEN DEWANI SHOWN ON CCTV THE MORNING AFTER WIFE'S MURDER
Anni Dewani, 28, was gunned down in Cape Town South Africa in 2010, just weeks after marrying her 34-year-old husband.
And despite claims from her husband that she was killed in a car-jacking, it was claimed by three South African men involved in the killing that Shrien had paid them to get rid of his wife.
'HONEYMOON KILLER' ACCESSED DATING SITES HOURS AFTER WIFE'S MURDER
Prosecutors argued that bisexual Dewani had wanted a way out of the relationship with his wife, but felt pressure from his traditional family to stay with her.
But today the case was dismissed by the South African court, after the judge deemed that there was not enough evidence to convict him.
He is now free to return to the UK.