On her seventh wedding anniversary to husband Jay Z, 45, Beyoncé debuted a new song titled "Die With You." The 33-year-old singer also released a simple, heartfelt music video for the new tune.

Beyoncé pours out her heart in the song, which she released Saturday on Tidal, the new streaming service in which she and Jay Z -- along with other artists -- are stakeholders.

Beyoncé also dropped the music video on Tidal. The Grammy award-winning artist plays the piano while singing as she is filmed with a handheld camera. Viewers learn Jay Z shot the video when he shows his face for a brief instant at the end.

The couple have had their share of ups and downs over the past year. In May Beyoncé's younger sister, Solange Knowles, attacked Jay Z in an elevator at Manhattan's star-studded Metropolitan Museum Gala amid rumors of marriage strife. After footage of the elevator security video was made public, the family members released a statement that said Jay Z and his sister-in-law had apologized to each other and were moving forward "as a united family."

Beyoncé and Jay Z toured together last summer for their megasuccessful "On the Run" tour, but rumors of marital problems and impending divorce persisted. The couple never addressed those rumors publicly.

Fences appeared to be mended by November, however, when Knowles married music video director Alan Ferguson in New Orleans. Beyoncé, Jay Z and their daughter, Blue Ivy, celebrated with the newlyweds.

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