She needs to be redeemed and Brooke needs a girl to hang out with. (I like the BH friendship, but they get like one scene every five episodes it feels like)
and before the last few episodes I would probably have said Sam, since I really liked her relationship with Brooke & Julian, but now, I'm not sure. I want BJu to just enjoy being engaged and focus on the wedding rather then having a teen around again. Because that would no doubt just lead to drama and I'm sick of drama for them right now.
And it wouldn't hurt to get Tim back, and his creepy kid, Jamie needs a new friend anyways.