How are you feeling about the finale tonight?
Holly: "It's quite exciting because we don't know what the outcome is. I'm looking forward to seeing it."
Will you find out the result beforehand or will you watch it along with everyone else?
Holly: "Maybe we could ask a little bit before but it'll be fun to find out that way."
Sol: "I think it's a good episode and everyone's going to enjoy it, but unfortunately I'm working so I won't be able to watch it!"
Is it true that whoever wins will release the "winner's song" for real?
Holly: "No, I don't think so, unless they spring that on us tomorrow! It was initially an idea but very initially and we haven't gone through anything with anybody."
Sol: "It's the bigwigs upstairs who deal with that so we just find out at the last minute about these things."
Is it something you'd like to happen?
Sol: "I'd really enjoy to have my album or single out with me sounding so bloody good. I'm all for it."
In the final episode Luke finally comes face-to-face with Latex Luke. What happens next?
Sol: "There's obviously a big twist that happens but I can't go too much into it. I worry for Luke's safety, if I'm honest. I've got a feeling something's going to go wrong..."
As for Bethany, her mother has just dealt her a pretty shocking revelation. How does this affect her?
Holly: "She's all over the place and totally thrown off course, so she doesn't handle it well. She's confused and doesn't know if she's meant to be there. It's a big deal for her."
What sort of feedback have you had from people on the street?
Sol: "It's really nice actually. I've been spotted quite a bit. Especially when you're in a bar and someone spots you. It's like a domino effect, suddenly everyone starts saying 'oh, you're that guy from Rock Rivals'."
What sort of things do they say?
Sol: "'Give us a song! Do you have a girlfriend? Do you want one?'"
The ratings for the show haven't perhaps been quite as high as was expected. Why do you think that is?
Holly: "I don't know too much about the ratings. I know ITV were expecting more than what there was but I think it was always going to be a love or hate show. We've had big competition on Wednesdays, with The Apprentice starting, but as far as I know, it's maintained a solid audience. That's what's important: as long as no-one's turning it off! Apparently the figures have grown the further it's gone on."
Sol: "The thing with this show is, it came out in a 9 o'clock slot when it was supposed to be in an 8 o'clock slot, so we'd toned [the storylines] down. But then it wasn't as far-fetched as everyone had expected for 9 o'clock. It was also up against things like The Apprentice and the football. But it does have a core audience and the nice thing is that [the ratings] have been going up every week for the last three weeks, which is good."
What's next for you both?
Holly: "I want to do more acting. I'm looking at some really good stuff at the moment, having some great meetings and trying out for film roles."
Sol: "I'm doing a British feature film at the moment. It's called Splinter, a psychological thriller, shot around an old priesthood college that's been derelict for many years. Five young kids go camping there but then things start happening to them. I play the young stoner, a chilled out character who doesn't really care. Much different from Luke!"
The final of Rock Rivals airs tonight at 9pm on ITV1. Voting for the winner continues at itv.com/rockrivals until 4pm.
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Additional reporting by Nick Levine