Report: Kristin Cavallari and Jay Cutler Split

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All the fun Kristin Cavallari had at her recent engagement party may have been in vain.

Sources have told that Kristin and her NFL fiance Jay Cutler have called off their engagement.

Jay, a quarterback for the Chicago Bears, proposed to Kristin in April while on a trip to Mexico.

Kristin held her engagement party on July 16. The next day she tweeted her appreciation, writing, "Thx to all my amazing friends for making my engagement party a blast last night!"

"She was planning her dream wedding, the date was set, the location - everything was set," the source told People. "She's in shock that the dream wedding she was planning is going to end this way."