Anna rings a bell

Anna Kournikova rings the opening bell at the New York Stock Exchange in New York City.

The 27-year-old tennis player made an appearance on behalf of the Boys & Girls Club of America, the community outreach program that Kournikova has been involved with since 2004.

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"I'm proud to be associated with a group like Boys & Girls Clubs of America who recognizes this need and is proactively providing resources to make this happen."

Kournikova, who is dating singer Enrique Iglesias, is also involved with a non-profit organization, Population Services International, to help with various AIDs education programs.