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according to http://www.eurweb.com

Pregnancy rumors aside, Whitney Houston’s singing woes continue to plague her world tour, as hundreds of disappointed fans reportedly walked out of her show last night in Denmark.

According to the Copenhagen Post, critics from “all of the major media outlets” in the country slammed the concert, insisting her vocals were too weak and out of tune. [Listen to YouTube clips from the show below.]

Whitney Houston arrives at the Hotel D’Angleterre Kongens Nytorv in Copenhagen – June 2, 2010

Critic Thomas Soie Hansen, of the Berlingske Tidende newspaper, writes: “She looked and sounded like a person who doesn’t have many years left to live. At the end of the show she looked like she was ready to explode.”

The singer’s highly-anticipated comeback trek has been blighted by poor reviews and criticism that her vocals are not strong enough to carry the show. She ended up cancelling a string of European concerts in April after she was hospitalized with nose and throat problems.

Now she is facing renewed concerns for her health after hordes of fans in Copenhagen left her show midway through, complaining about her poor performance. She then reportedly turned on a section of the audience when some fans began booing as she made a speech paying tribute to Michael Jackson.