Their secret rendezvous was suppose to be just that — a secret. But now Ashton Kutcher, 34, is furious that Rihanna, 24, was spotted at his L.A. home just before midnight on March 20 — and then seen leaving about four hours later.
"He just can't believe it," an insider tells OK!. As soon as the news broke, he called her and told her it was over, saying, 'I can't trust you.'"
In fact, Ashton, who split from the recently released-from-rehab Demi Moore in November, was adamant about keeping their hookup under wraps.
"When Rihanna arrived at his house she didn't tell him she'd been photographed by paparazzi," says the insider. "He was very specific that she check to make sure she wasn't being followed, and the way he sees it, she either screwed up or — even worse — tipped the photographers off herself."
And that is something Rihanna denies. "She was super-offended when Ashton suggested it," says the insider. "She went off on him and told him she suspected him of calling the press. The way she sees it, he has more to gain from the fling than she does."
FOR MORE ON ASHTON KUTCHER AND RIHANNA'S FIGHT, PICK UP THE NEW ISSUE OF OK! — IN STORES NOW!