Though we won't find out for sure until tonight, here are seven clues that point to Bryan being the man who puts that Neil Lane sparkler on Rachel's finger.
1. Bryan Already Asked Permission to Propose
Though Peter has been just as much of a frontrunner throughout the season, he and Rachel have recently come to a head on the engagement issue -- with her making it clear that she wants a proposal at the end of the experience -- while he doesn't seem ready to commit. Bryan, on the other hand, has been clear about his eagerness to propose, even asking Rachel's mom for her blessing to pop the question.
"I didn't come this far for a boyfriend or a commitment," Rachel told ET at the Men Tell All taping last month. "I could have done that without a show."
"I just feel like, Bryan is 37, he has no qualms about who he is or what he wants, and I believe that's what Rachel likes," Kenny King revealed. "Bryan is a great looking dude, he's got a great career and he's been there, done that. He's seen the game and now he's ready to find his queen."
"I don't think he's disingenuous. I think Bryan is the real deal," he added.
"I like Bryan a lot," Adam Gottschalk said. "I think his intentions are very good... The one thing I really do like about Bryan is he's all in. He's not half-ass, he's not 50 percent. He's 100 percent in, and I think that's the trait that has kept him there as long as it has, and hopefully Rachel knows that and she can see it."
Even Jack Stone, who was skeptical of Bryan's Player past, admitted that Bryan appears to be ready to settle down.
"That was a long time ago," Jack reasoned. "He's an older guy... and I don't think he's been engaged before, but that doesn't mean that he's not ready to settle down and get married and take his leap to the next phase in his life."
Another clue? Fred Johnson stopped by ET for a Facebook Live interview last week, where he revealed that the Bachelorette men are all in a group chat, except for Peter and Bryan. We're going to go out on a limb here and say that this piece of information makes Peter and Bryan the final two, and given Peter's hesitancy to commit, Bryan seems like the logical choice for Rachel.
7. The Location of Rachel's Engagement Party Is Very Telling...
As if the other six reasons weren't convincing enough, Rachel's pal and former Bachelor co-star, Astrid Loch, told ET last month that Rachel was planning two engagement parties, one in Dallas and another one in Miami, which just also happens to be Bryan's hometown.
All will be revealed on season finale of The Bachelorette, airing Monday at 8 p.m. ET/PT on ABC.