Yeah it's in Claire's book (bought from Poundland in the last year - bargain) - in which, as a sidenote, she comes off as spoiled. Shagging whoever as she was "young and didn't know better" - shagging a guy with a pregnant gf in your early 20s? Right you are miss innocent. The H/manager part was she was sworn to secrecy but the others asked her and she said she may as well admit it as they'd worked it out in a very "oops not my fault" at all kind of way.
What I did love is that Lee acted as personal trainer for her to help her get in shape for her wedding.
Meant to add obv Rhys was at fault too but it seems like Claire just gets what Claire wants.