Celebrities attend the "Something Borrowed" Los Angeles premiere at Grauman's Chinese Theatre in Hollywood. (Photo Agency)more pics » Kristin Cavallari Engagement Ring Reality star Kristin Cavallari showed off her decadent 5.2 carat engagement ring at the premiere of 'Something Borrowed.' The square-cut ring is reportedly worth $125K.
Kristin became recently engaged to football quarter back Jay Cutler. With bling that, we're sure Kristin has the ladies of The Hills envious.
We've spotted other celebrities with a similar look, including Carrie Underwood, Kendra Wilkinson-Baskett, and La La Vazquez. Check out all 29 pictures in the Engagement Ring Lookbook.
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