Grey's Anatomy reunion! Ellen Pompeo and Patrick Dempsey have cute red carpet moment at star-studded D23 Expo in Anaheim

Ellen Pompeo and Patrick Dempsey, who were both in the first season of Grey's Anatomy,

were on the same red carpet at the D23 Expo in Anaheim on Saturday. This was like a reunion.

The two stars, Dr. Meredith Grey and Dr. Derek "McDreamy" Shepherd, had a huge impact over the course of 11 seasons.

The two stars took advantage of the situation and played up their on-screen identities and chemistry.  

People say that Dempsey grabbed a microphone from Yahoo's Kevin Plowly and pretended to be a reporter by asking Pompeo a series of questions.

He had just gotten a new haircut that made his blonde hair look even better. In

In the impromptu Q & A, which can be seen in a viral clip, Pompeo, 52, joked to Dempsey,