Found her on vivastreet in bethnal Green. Link has now gone.
If you search kommons here -
External Link/Members Only. You'll find the profile.
Called up and everything agreed on the phone, On arrival a totally different girl answered the door. When asked for Catarina I was given a shrug.
Not to say the girl who answered the door was unattractive I just wasn't going to entertain a bait and switch so I left.