On The Bachelor finale, Sean Lowe said that he was so torn between Catherine and Lindsay that he didn't decide between them until he woke up on the morning of the proposal. But did he really not know that Catherine was "The One" until then? Nope! The Bachelor's Chris Harrison: Sean lights up like the Fourth of July when he's around Catherine "It was ... two nights before. It was after the night I spent with Lindsay. I just knew that she wasn't the one for me," Sean tells TVGuide.com. "I never wanted to say goodbye to Catherine and I knew I wanted to spend the rest of my life with her." But before they plan their to-be-televised nuptials, Sean's going for Mirrorball glory on Dancing with the Stars. "They asked me and first I wanted to make sure it was OK with [Catherine]," he says. "It's a challenge and ... I like to embrace challenges. There's no bigger challenge for me than dancing on live television. The competitive side of me - I expect to win." And so does his partner Peta Murgatroyd. "I expect us to be in the finals at least," she says. "I think he's a charmer and more people will fall in love with him. I think we can win. It's going to take a lot of work and a lot of dedication from him, but he's definitely got that in him and he's giving me pretty much all his time he can. We're having a great time. We've already created our own dance, the Murgalowe. It has all the coolest moves you'll find in a club. We've got the "bus driver," the "shopping cart." Hopefully it'll sweep the nation when we put it on YouTube." The Bachelor's Sean Lowe joins Dancing with the Stars Dancing with Sean is the next best thing for Murgatroyd, who watched a Bachelor marathon four days before she found out who her partner was. "I actually kind of fell in love with him too," she says. "I was like, 'Wow! This dude is kind of amazing! I want to compete for him!' Then they called and I was like, 'Well, this has worked out pretty good!'" And don't worry, ladies. You will get your share of Shirtless Sean on the hardwood. "All the women will be going nuts. My Twitter has been blowing up since the GMA announcement this morning with people asking him to take his shirt off for every dance," Murgatroyd says. "I can't do it every dance. He has to be in a suit for the foxtrot [for the premiere], but I will work them in. The paso's a good one for shirtlessness." Check out our interview below for more from Sean and Catherine. Plus: What have they learned about each other since their engagement?
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