Can you guess the 'most in-demand pop star on the planet' coming to All-Out Sundays?

Kapuso viewers are in for a super special treat this weekend!

GMA Network’s noontime variety show “All-Out Sundays” just announced that a world-renowned singer-songwriter will appear as a guest this Sunday, August 15.

Clue: This person is the “most in-demand pop star on the planet” and is “one of the world’s best-selling music artists.”

The announcement on the official “All-Out Sundays” Facebook page has perked up the ears of some eagle-eyed netizens who excitedly dropped guesses like Bruno Mars, Justin Bieber and Shawn Mendes.

The page even responded to a netizen named “Jamie Robinson,” who confidently said she would bet her money on an Ed Sheeran guest appearance.

“Pustahan Ed Sheeran to hahahhahahhaha Ed Sheeran is Singer Songwriter actually he is the One who Wrote Permission to Dance of BTS,” the comment said.

“Sige game magkano? Char hahahaha,” the All-Out Sunday FB page replied.

Who could this extra-special guest star be? Only one way to find out! Don’t miss “All-Out Sundays” this August 15, 12 p.m. on GMA-7. —Margaret Claire Layug/JCB, GMA News