Billy Joel's wife Katie Lee has slammed reports she had an affair with Israeli designer Yigal Azrouel, branding the false rumors "mean-spirited."

Chef Lee sparked claims of infidelity after she and Azrouel were photographed dancing intimately during a night out late last month. However the 27 year old, who wed rocker Joel in 2004, is appalled by the idea she's cheating and took to her Twitter.com page to voice her disapproval at the "mean-spirited and untrue" allegations.

Her representative has also denied the claims, telling Us Weekly magazine, "They've just been friends - purely platonic." And the spokesperson has moved to clear up any reports suggesting Lee has been feuding with Joel over her desire to start a family.

Joel, who has a grown up daughter from his relationship with supermodel Christie Brinkley, is allegedly against the idea of having another child at the age of 59, but the rep insists, "There is no issue over babies.

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(This news article provided by World Entertainment News Network)