Kristin Cavallari, Jay Cutler Call Off Engagement

MTV reality star Kristin Cavallari and Chicago Bears quarterback Jay Cutler have called off their engagement, according to published reports.

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Cutler proposed to the Laguna Beach and The Hills star in April as they vacationed in Mexico. The couple, who had been dating since last fall, were said to be planning a spring wedding.

As recently as last week Cavallari tweeted about her recent engagement party.

"Thx to all my amazing friends for making my engagement party a blast last night!" she wrote.

The couple also had recently completed their wedding registry.

People reported that the break-up came as a shock to Cavallari, who had planned to move to Chicago for the upcoming football season.

Cavallari rose to fame in reality TV but has since dabbled in acting with appearances in ABC's The Middle and CBS' CSI: NY.

Cutler spent three seasons with the Denver Broncos after the 2006 NFL draft before being traded to the Bears in 2009.