Katy Perry has announced that the release of her new album, Smile, has been pushed back by two weeks due to "unavoidable production delays".

The pop star, who is heavily pregnant with her first child, had been due to release Smile on Agust 14, however, she has told fans that it will now be launched on August 28.

Perry said: "Welp. I hate to throw this bad news at you like a pie in the face...but if there's anything 2020 taught me, it's to not get too attached to plans and be malleable.

"Due to unavoidable production delays, my album #SMILE will now be released (two) weeks later on August 28."

Perry shared the news alongside pictures of her being hit in the face with a pie.

Perry also announced a new series called Smile Sundays, which will take place weekly until the album is released or until she gives birth.

The 35-year-old said the series will feature her broadcasting live for 30 minutes  to discuss the album as well as having "a good chat".

Perry added: "Thanks for being so flexible in this time... it's a wild one, for sure, but I hope the patience will be worth the wait!"

Smile will feature songs including Never Really Over, Daisies and Harleys In Hawaii.

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