Credit: Isaiah Washington on Twitter Photo: Sandra Oh and Isaiah Washington on the Set of Grey's Anatomy on April 1, 2014

It's been seven years since we've seen Sandra Oh (Cristina Yang) and Isaiah Washington (Preston Burke) together on Grey's Anatomy — the last time being when Burke left Cristina at the altar at the end of Season 3, following Isaiah's dramatic exit from the show in 2007 — but now Sandra's original Grey's leading man is showing off their reunion on Twitter. (Look away, Crowen fans!)

"Work finished on 10x22. April 1, 2014," Isaiah writes in the caption, adding the hashtag #CardioGods.

Yes, indeed, Burke may very well be surprised how much his protégé has grown over the past seven seasons. True, she may not be a Harper Avery Award recipient like he is — and we're still smarting over that snub! — but she is in every other way his equal.

As Isaiah mentions, his Grey's character will pop up again in Season 10, Episode 22, airing May 1 — an installment tellingly titled "We Are Never Getting Back Together."

We still don't know how the two exes will cross paths, but it looks like both actors are dressed in formalwear here, so that should kickstart your imagination!

How do you think Burke will reemerge in Cristina's life? Cast your best guess in the comments below.

Grey's Anatomy airs Thursdays at 9 p.m. ET on ABC.

Dan Clarendon is an assistant editor at Wetpaint Entertainment. Follow him on Twitter and Google+!