Beyonce Sparks Jay Z Affair Speculation With 'On The Run' Performance (WATCH)

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Queen Bey changed some key lyrics to her 2006 song 'Resentment.'

Is Beyonce airing Jay Z's dirty laundry?

Queen Bey wore a wedding dress and raised some eyebrows during a recent stop on her and Jay's On The Run tour, changing some key lyrics to her 2006 song "Resentment." The performance quickly gained the attention of fans and media alike, prompting many to wonder whether she was confirming those pesky infidelity rumors.

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See the key moments in the video above. We've included the full performance below, and you can listen to the original studio recording here.

Beyonce, 32, used some choice language to reference an alleged mistress, singing the phrase "wack b*tch" like no one else could.

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This isn't the first time the couple has faced rumors of an affair. In fact, many fans suspected that the couple's recent elevator debacle at the Met Gala (when Bey's sister Solange Knowles pummeled Hova with her fists and stilettos) was in response to some degree of infidelity.

The performance is an oddly public move for the intensely private couple. Just days earlier, they revealed never-before-seen footage from their wedding ceremony on a jumbo-tron while Beyonce's "Halo" and Jay Z's "Young Forever" played. The video montage also featured private footage of daughter Blue Ivy's first steps.

Meanwhile, on Instagram, Beyonce and Jay Z appear crazier in love than ever. Bey even shared this intimate photo of the couple sharing a smooch just one day after her headline-making performance.

The On The Run Tour continues on July 5 in Philadelphia as the duo make their way across North America.

Follow Sophie on Twitter: @SophieSchillaci