Report: Leann Rimes Having Affair With Co-Star Eddie Cibrian

Leann Rimes' husband should stay away from grocery stores this week.

Because the latest issue of US Weekly has some bad news for him on its cover.

According to US, Rimes, 26, who is married to former backup dancer Dean Sheremet, is getting hot and steamy with her TV movie costar, Eddie Cibrian.

Cibrian is also married, and has two children.

Sources tell the magazine that Rimes and Cibrian, 35, started their affair on the set of their upcoming Lifetime flick, "Northern Lights."

The magazine has photos they claim were taken from a video security camera that show the two holding hands and kissing on a date in Laguna Beach on March 7.

Cibrian denied the report Wednesday, saying in a statement: "It is a fabricated story that is using random snapshots as connective tissue to create a scandalous relationship."

They also say they have information about a purported tryst in a hotel a week later.

And Sherement is standing up for Rimes.. reported that Sheremet Twittered "I Love My Wife!!!" on Wednesday.

Rimes and Sheremet got married seven years ago when she was just 19 and he was 21.

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