'Dancing With The Stars' Romance Report & New Photos!

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Sean Lowe and Peta Murgatroyd
Is Catherine Giudici keeping an eye on Sean Lowe's sexy partner Peta Murgatroyd?

It's only week 2 on Dancing With the Stars Season 16, and things are already heating up. While some dancing duos are behaving like perfectly platonic partners, other pairs are growing closer both in the rehearsal studio and when cameras aren't rolling.

Last week, we dipped into the backstage drama surrounding Bachelor Sean Lowe, his sexy and single blonde pro partner Peta Murgatroyd, and his adorable fiancée Catherine Giudici. Despite some intimate rehearsal pics, Catherine showed up at the DWTS season premiere sitting front-row and cheering on her hubby-to-be alongside his adoring parents.

Immediately after the premiere, Sean posted a cute photo of him and Catherine backstage on Instagram, with him still wearing his sparkly red blazer from his performance. He wrote, "Me and my gorgeous fiancee @catherinegiudici post dancing."

So any rumors regarding him and Peta getting closer were put to rest, right?

Well, sort of. Tabloid rumors of tension between Sean and Catherine persisted throughout the week, prompting Sean to tweet, "Big thanks to the tabloids for keeping me and @clmgiudici entertained with your fictitious stories as we checkout at the grocery store."

And even though new photos made their way online, showing Peta and Sean thrusting their behinds up in the air in a move they dubbed "the murgato," it sounds like Catherine's in on the action, too. After Sean posted an Instagram photo of Catherine doing the move herself, Peta tweeted about it, writing, "Haha! That booty of yours looked perfect!! :-)" Keep reading ...        VIEW THE PHOTO GALLERY: DANCING WITH THE STARS SEASON 16

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