Beyoncé, under vocal rest, postpones MetLife Stadium concert

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Even Beyoncé needs to slow down every once in a while.

Under doctor's orders for vocal rest, the superstar singer has postponed the Sept 7 MetLife Stadium stop of her Formation World Tour until Oct 7, according to a statement released.

Beyonce and Blue Ivy (Evan Agostini/AP/Press Association Images)

Fans in St Louis, Los Angeles, Santa Clara, Houston, New Orleans, Atlanta, Philadelphia and Nashville can rest easy though. Queen Bey will be proceeding with those dates as planned.

The Formation World Tour in support of her album Lemonade kicked off April 27 in Miami and was to conclude Oct 2 in Nashville.

Beyoncé turned 35 on Sunday and attended the Made In America Festival in Philadelphia with her husband and festival founder Jay-Z.

The singer thanked her fans with a post on Instagram.

Alongside a short video she wrote: "I just want to say thank you to everyone for all the beautiful and thoughtful birthday wishes.

"I am so fortunate to have the love and support of my family, my friends, and my hive. We've grown up together and you guys continue to inspire and motivate me everyday.

"I'm so grateful for every challenge, every smile, every tear, every discovery, every sacrifice, every triumph, every stretch mark, every kiss, every scar. I strive to make you proud.

"I love YOOOUUUU!!!"

A host of people wished her happy birthday too, including some famous faces:

Belated Happy Birthday Queen Bey.