Jessica Lowndes is an official, full-time cast member on 90210.

In other words - spoiler alert! - Adrianna doesn't die from her recent drug overdose. But she does have a number of scenes with Brenda coming up, Lowndes told OK!

"I've got a lot of emotional, confrontational scenes with Shannen coming up," the actress said, adding that her character's addiction will grow more intense as Adriana becomes crazier, requiring leading to a verbal smackdown from Brenda.

We'll see what goes down on the next new 90210 episode, airing on October 28.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.