Another day, another bizarre rumor on why Jennifer Aniston and Justin Theroux haven't gotten married yet. This time around, there is a rumor that suggests Aniston has pulled the plug on her wedding plans because she caught Theroux "dirty dancing" with Hollywood starlet Selena Gomez.

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According to Celebrity Dirty Laundry, eyewitnesses at Vanity Fair's Oscars party last month revealed that Aniston got quite upset when she saw her fiancé allegedly getting a little too close for comfort with the young singer and actress.

A source said, "Jen was in a booth showing her friend Amy Adams pictures on her phone of floral and seating arrangements for the wedding, when she looked up she saw Justin trying to dirty dance with Selena. Jen thought Justin was making a fool of himself by hanging on a girl young enough to be his daughter. Plus he was breakdancing and flailing all over the floor trying to impress Selena."

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The site also goes on to say that Theroux has a "creepy infatuation" with Gomez and that this might have been the final straw for Aniston. Of course, neither the couple nor Gomez have made any comments about the rumors.

If that weren't enough, there's even another rumor about why Aniston might have canceled her nuptials. According to Life & Style magazine's print edition last week (via Gossip Cop), Aniston canceled her wedding plans only a few weeks before her big day as she might be getting second thoughts on getting married again.

A source told the site, "Jen panicked and was a runaway bride! Then she tried to blame Justin, by saying he was putting too much pressure on her. She suddenly told Justin that she just couldn't get everything together in time for the wedding and had to postpone."

A source close to the couple though told Gossip Cop that "nothing was canceled" and that the story was completely made up.

Tags: Jennifer Aniston Justin Theroux