Grey's Anatomy Guest Star, Wedding Update

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Circle April 30 on your calendar, Grey's Anatomy viewers. That's when a pair of parents pounce!

According to E! Online, both Thatcher Grey and Izzie's mom (guest star Sharon Lawrence, pictured) are scheduled to appear on that date's episode.

Moreover, the two men from Ellis Grey's past (the Chief and Thatcher) will finally throw down... sort of. Also, look for Robbie Stevens to come across an older version of her daughter. She'll be quite chipper, even in the face of Izzie's diagnosis.

Alex with Izzie's Mother

Meanwhile, here's an update on the major wedding news fans can't stop buzzing about:

It might not be Meredith and Derek that get married on May 7, but instead Alex and Izzie. Get those tissues ready, readers!

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.

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Grey's Anatomy Quotes

[narrating] "At the end of the day, when it comes down to it, all we really want is to be close to somebody. So this thing where we all keep our distance and pretend not to care about each other, it's usually a load of bull. So we pick and choose who we want to remain close to, and once we've chosen those people, we tend to stick close by. No matter how much we hurt them. The people that are still with you at the end of the day, those are the ones worth keeping. And sure, sometimes close can be too close. But sometimes, that invasion of personal space, it can be exactly what you need."

MEREDITH

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)