Uh oh, Sebastian is up to his old ways on the second season of The CW's "The Carrie Diaries."
The model-actress broke the news on Twitter.
As fans know, Sebastian formerly had a sexual affair with a teacher at his previous school. So, it looks like he's back to his old ways and Carrie has some exceptionally tough competition for his attention.
Sims, 40, has been modeling since 1993. Her television credits include five seasons of NBC's "Las Vegas," and guest roles on USA's "Royal Pains" and TBS's "Wedding Band."
She is represented by WME and Untitled Entertainment.