Mary McDonnell will be guest starring on Grey's Anatomy in Season Five. We are excited to see what her story line has in store.

Sandra Oh and Patrick Dempsey at the Emmy Awards in September 2008. The Grey's Anatomy stars did not win, but they both presented an award!

Patrick and Jillian Dempsey arrive at the Emmy Awards in September 2008. She's pretty - and lucky to be married to that McDreamy.

Grey's Anatomy star Ellen Pompeo and America Ferrera of Ugly Betty pose for a photo at an Emmy Awards pre-party in September 2008. Cute!

Eric Dane gets a surprise visit from ... Michael Phelps! This spoof of Grey's Anatomy comes courtesy of a skit from ABC's Jimmy Kimmel.

In the September 2008 issue of Allure Magazine, Grey's Anatomy star Ellen Pompeo is shown in a variety of different costumes. This is a regular photo of her though - looking pretty fabulous I might add.

In the September 2008 issue of Allure Magazine, Grey's Anatomy star Ellen Pompeo takes a trip back to 1987! Sort of. That's her high school yearbook picture from Everett, Mass.

Or so it would appear. In the September 2008 issue of Allure Magazine, Grey's Anatomy star Ellen Pompeo looks particularly cute in some of the crazy outfits they've picked out for her. No complaints here.

In the September 2008 issue of Allure Magazine, Grey's Anatomy star Ellen Pompeo puts on some interesting getups. We're big fans of the actress and love the crazy clothes!

In the September 2008 issue of Allure Magazine, Grey's Anatomy star Ellen Pompeo poses in various costumes. Here's one we particularly enjoyed.

In the September 2008 issue of Allure Magazine, Grey's Anatomy star Ellen Pompeo looks dazzling as always. Here's Ellen on the cover.

Doesn't have the same ring to it as Mer-Der, but we love this couple more than anything no matter what you want to call it.