Sources advised The Nationwide Enquirer that the 49-year-old was “furious” to see footage of Costner, 68, with Jewel, 49, on billionaire Richard Branson‘s Necker Island, the place the folks star hosted a fundraiser for her Inspiring Kids Basis.
“Regardless of publicly saying she’s not stunned Kevin moved on, Christine is burning with jealously,” the insider advised the Nationwide Enquirer.
“She thinks it is fairly hypocritical of Kevin to be parading round like this oversexed school jock when he flipped out so angrily when there have been rumors she’d stepped out herself,” the alleged insider dished.