The two men were convicted of hatching a plot to rob and kill Joss Stone. 32-year-old Junior Bradshaw and 35-year-old Kevin Liverpool harboured deep hatred for the soul singer.
The men from Longsight in Manchester denied charges of conspiracy to murder, the alternative charges of conspiracy to cause grievous bodily harm and conspiracy to rob.
The jury found Bradshaw and Liverpool guilty of conspiracy to murder and conspiracy to rob after a three-week trial at Exeter Crown Court.
More top news
The former US president has Tweeted six of the top 10 most liked tweets ever - with current president Donald Trump not making the list.
By the time all the dead are counted, it will have grown to a great chorus of grief, Africa Correspondent John Ray reports.
For years we’ve been told to stay out of the hot summer sun. So how much sun is too much? Kylie Pentelow looks at the latest advice.