'Grey's' creator reveals plot details

Shonda Rhimes has spoken out about the fifth season finale of Grey's Anatomy and the effect it will have on the next season.

In an interview with Entertainment Weekly, the show's creator discussed her decision to end the current run with both Izzie and George's lives hanging in the balance.

Asked whether recent rumours about T.R. Knight quitting his role as George had any impact on the finale, she said: "I don't think there are any coincidences.

"I think Katherine [Heigl] has stated publicly that she's happy to stay. I think that there have been lots of rumours about T.R., but T.R.'s never said anything. Take from it what you will."

Talking about Meredith and Derek's wedding in the finale, Rhimes described is as a "Post-it note".

"We had a big series of discussions about it in the writers' room," she revealed. "I felt very strongly - very, very strongly - that the last thing Meredith Grey would do is put on a wedding dress and walk down an aisle. It just felt wrong to me, Meredith being Meredith. And the Post-it wedding will have big reverberations next season."

Rhimes also spoke about Ellen Pompeo's pregnancy and how it will affect season six.

"We're actually still talking about it," she revealed. "Her maternity leave doesn't actually come into play until later this season. We will have shot a number of episodes by that point.

"Ellen is extraordinarily optimistic about what she's going to be able to do. She's such a trouper and I'm really am grateful to her for it. We'll take it as it comes."

> Chyler Leigh discusses 'Grey's' finale