1. Your favorite mac album, in terms of Chris songs.
TITN
2. Your favorite Christine collaboration (voice or keyboards) in a Lindsey song
Shadow of the West 
3. Your favorite Christine collaboration (voice or keyboards) in a Stevie song
Straight Back It's the reason I like the song.
4. Your fave Chris live song.
Songbird 
5. Your favorite Chris video
Since I haven't seen her solo videos, I'll put down Hold Me
6. And the superfluous question: Your favorite Chris look.
Mirage cover. Do looks on album covers count? 