When a Harmonizer decided to ask her friend to prom, she knew her promposal needed to be awesome. With a little help from Fifth Harmony, it turned out to be perfect.
According to MTV News, the group helped a Harmonizer named Tristine ask her friend, Jane, to prom. MTV reports that Tristine thought her promposal would involve a special video package from Fifth Harmony. Instead, the singers decided to show up in person where they put on a cute and quick surprise performance to convince Jane that going with Tristine to prom would be totally "Worth It."
Jane (obviously) said yes.
H/T MTV News