Superstar actress and singer Jennifer Lopez, citing an undisclosed illness, has canceled her European album tour, This is London reported Wednesday.

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Lopez had also been scheduled to promote her romantic comedy "Shall We Dance" with Richard Gere Wednesday at a news conference and gala premiere in London.

Lopez, who performed at Sunday's Grammy awards alongside husband Marc Anthony, issued a statement apologizing for her absence from her forthcoming commitments.

"I very much wanted to be in London today, but unfortunately I am not well," she said. "At the advice of my doctors I am unable to travel. Being sick has also forced me to cancel my European album tour."