The pop star split her pants during the first night  of her North American Tour

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(WENN) - The North  American leg of Lady  Gaga's tour got off to a rough start on Friday when she accidentally tore  open a seam in her pants.

The singer kicked off the latest part of her "Born This Way Ball" tour in  Vancouver, Canada and while showing off her moves for the sold-out crowd during  a performance of Heavy Metal Lover, her Versace latex bodysuit burst, exposing  her backside.

Ever the professional, Gaga continued with her routine, making light of the  wardrobe malfunction as she climbed aboard her motorcycle set piece, giving fans  a close-up of her bottom.

And the 26 year old, who has been teased recently for reportedly gaining 25  pounds, didn't let the fashion mishap ruin her night.