One Lucky Fifth Harmony Fan Is About To Get The Promposal Of A Lifetime

As part of MTV's 'Promposal Mania,' the girl group is orchestrating an unforgettable event for a Harmonizer and their date!

It's just about time for high school students to break out the dapper attire and put on those dancing shoes for a night to remember. Prom is upon us, and one extremely lucky Fifth Harmony fan is about to get the best shock of their life -- and it's all part of MTV's upcoming "Promposal Mania"!

That's right -- the girl supergroup is orchestrating a memorable promposal for a hand-selected Harmonizer and their proposed date. Ally, Normani, Lauren, Camila and Dinah are officially the "bo$$es," and they're making some big dreams an unforgettable reality this spring season.

To make the surprise event even more exciting, all of the action is going down LIVE this Tuesday, April 21. Understandably, the gals can't wait for the upcoming event:

Be sure to catch the magic unfold on Tuesday at 8/7c! And before you watch 5H make prom history, listen to the gals dish their very own dos and don'ts for the lavish annual affair: