Arie Luyendyk Jr.'s Dramatic 'Bachelor' Ending: New Details of What Went Down Are Pretty Heartbreaking

And then apparently after the fact, he realized he'd changed his mind and wanted to be with Lauren instead. But get this one -- a source told Us Weekly that Arie showed up at his fiancée's (Becca's) house with a camera crew, and blindsided her by breaking things off. The insider said, "Arie didn't handle the situation well. He wasn't very sympathetic or even nice."

Um, whaaaaa? 

Supposedly he then "begged her (Lauren) to take him back," which we now assume she did, given all of the spoilers out there saying that they are dating and in love and living happily ever after, or whatever.

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Arie, Becca, and Lauren also reportedly all sat down for one-on-one interviews with Chris Harrison, so we'll be hearing each of their versions of how, when, and why Arie ultimately pulled a Mesnick.

As if getting unexpectedly kicked to the curb by the man you thought you were going to marry isn't heartbreaking enough, she has the pleasure of watching him run back to his ex on national television, AND she has to relive what happened in front of millions of viewers by speaking to Chris Harrison about it.

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Becca for Bachelorette, anyone? (Duh. She's a shoo-in.)

She's probably going to take quite a bit of heat for not only taking Arie back, but for being the reason Becca wound up alone and humiliated, so she must really be head-over-heels in love with Arie to subject herself to the criticism.