Jenny's Back?

It's rumored that Jenny could be back in "Doctor Who: Series 6". If she is, then we'll see her in her second incarnation. Her new carnation being in the form of sexy "Misfits" star, Catrin Stewart.
It says on the actresses IMDB that she'll be playing a character called Jenny, and fans of the show can only assume that the character is infact The Doctor's daughter.