Here comes the bride . . . and the paparazzi.

The buzz is that teen heartthrob Kevin Jonas, 22, and fiancee Danielle Deleasa, 22, will tie the knot Saturday right here on Long Island, drawing in the whole Jonas Brothers operation, Radar Online reports.

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The Web site mentions the wedding will take place on an unnamed "exclusive estate" on Long Island, and rumors are flying here that it would be Oheka Castle in Huntington. "I cannot confirm or deny anything," a cagey Gary Melius, who owns the luxury hotel, told Newsday. Oheka Castle is a French-style chateau built by railroad baron Otto Kahn in the early 1900s. Melius said he never comments on guests.

The same Radar source also says that on the guest list will be Joe Jonas' rumored new girlfriend and tween sensation, Demi Lovato.

Deleasa is a former hairdresser from Denville, N.J. She and Jonas met when their families - he also is from New Jersey - were vacationing in the Bahamas in 2007. They got engaged this past summer.

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The wedding rehearsal will be held Friday, according to Radar, which also breathlessly notes it "will include a roller skating rink."