![Katherine Heigl doesn't hold back about Izzie and Alex's unexpected reunion on Grey's Anatomy | Daily Mail Online Katherine Heigl doesn't hold back about Izzie and Alex's unexpected reunion on Grey's Anatomy | Daily Mail Online](https://i.dailymail.co.uk/1s/2021/01/27/23/38566428-0-image-a-4_1611791740104.jpg)
Katherine Heigl doesn't hold back about Izzie and Alex's unexpected reunion on Grey's Anatomy | Daily Mail Online
Izzie's iconic pink prom dress on 'Grey's Anatomy' had to be custom-made by a wedding-dress designer because Shonda Rhimes kept wanting it to be 'bigger'
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