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Hot on the heels of Anne Hathaway's "devastating" flash mishap Monday comes LeAnn Rimes with a bit of a nip slip.

It happened at Wednesday night's NOH8 4th Anniversary Party in Hollywood where Rimes and hubby Eddie Cibrian happily hit the red carpet together.

The two were among the stars supporting the organization devoted to promoting marriage equality, gender equality and human equality.

But Rimes, whose neckline plunged to her waistline and who must have left her double-sided tape at home, leaned over at one point to adjust her shoe and - oops - that's all it took to give photogs a peek.