Big Bang Theory's Melissa Rauch Upped to Series Regular

The Big Bang Theory has promoted Melissa Rauch to a series regular, according to Entertainment Weekly.

Watch Big Bang clips

Rauch, who plays Howard's girlfriend Bernadette, was only meant to appear in one or two episodes when she joined the show last year.

The actress also appeared as Hoyt's girlfriend in Season 3 of True Blood.

What do you think of the news?