The five members of the Backstreet Boys aren’t overweight themselves, but they want to help people who are.

The boy band will be guest-starring on an upcoming episode ofUS TV show  ABC’s Extreme Weight Loss , according to a post on their website.  The group says they want to “pay it forward to a deserving fan who’s in need of a healthy lifestyle change!”

The Boys then ask fans to apply to be on the show if they have “around 50% of your body weight to lose,” and direct fans to visit for more details.  It’s not clear when the next season of the show will air.

The group is kicking off an Asian tour next month which will see them visit China, Taiwan, Singapore, Malaysia, The Philippines and Thailand. Then, they’re off to visit us in Australia, New Zealand, Israel, South America and Mexico.

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