Lady Gaga Buys Beyonce A Diamond-Studded Whip

Jay-Z is in for a few lashes.

Lady Gaga doesn't buy regular birthday presents. Or if she does, they're tricked out with some over-the-top modification, like stilletto heels made out of pointy sex toys or a leather whip covered in diamonds.

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According to various sources, the flamboyant pop star purchased a diamond encrusted whip for her pal and fellow "Telephone" singer Beyonce.

According to The Sun, Gaga traveled to a Jay-Z show in Detroit just to deliver the special gift in person for Beyonce's 29th birthday.

"The whip was made out of hundreds of diamonds and leather," a source told the U.K. paper.

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Adds the source: "When Beyoncé received it she squealed with excitement. The dressing room was decorated with balloons and banners."

Gaga, who included in her gift a pair of matching panties, then reportedly sang "Happy Birthday" to Beyonce as the pair celebrated in Jay-Z's dressing room with a bottle of champagne.