Kristin Cavallari Lands in L.A. Sans Engagement Ring (PHOTOS)

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Basking in the glow of her recent engagement, Kristin Cavallari was all smiles when she arrived to LAX airport with her beau Jay Cutler on Tuesday.

And even though the NFL quarterback reportedly proposed to The Hills with a 5.2 carat diamond ring, she definitely wasn’t wearing it when she touched down in California. What gives, Kristin? The world wants to see the rock!

People first reported the reality star’s engagement, adding that Cutler popped the question during the couple’s vacation to Cabo San Lucas, Mexico after only eight months of dating.

There is no news yet on a date for the nuptials, but Us Magazine reports that Kristin was “so excited and completely blind-sided” by the proposal.

“They’ve been celebrating all weekend; Kristin told her girlfriends; Kristin told her girlfriends on Monday,” a source told the magazine.