US singer Meghan Trainor canceled the remainder of her MTrain Tour after suffering a haemorrhaged vocal cord.

Trainor, 21, who broke out last summer with the body-positive song All About That Bass, said she will be undergoing surgery.

“I have haemorrhaged my vocal cord again. I got bronchitis and have been coughing a lot and that pushed it over the edge,” she said in an Instagram post.

Trainor’s tour, supporting her debut album Title, kicked off in St Louis in July and was scheduled to continue into September with stops including Nashville, Atlanta and Chicago. The singer had previously cancelled performances in July due to vocal cord issues.

Trainor rocketed to the top of the US pop charts last year with All About That Bass, which also earned her two Grammy nominations. The accompanying music video is one of the most-watched videos on You Tube, with more than 970 million views.

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