The 23-year-old singer - who is set to marry JLS star Marvin Humes later this summer - admits she is not yet ready to become a mother herself but is using her Saturdays' bandmate's 10-week-old daughter Aoife to pretend for the meanwhile.
She said: ''I'm not expecting a baby any time soon and I'm not hoping to be either. I'm practising with Una's baby and that's going well. But apart from that it's all good, you've got no worries.''
Discussing her forthcoming nuptials, Rochelle admits one of the more unusual aspects she is concerned with is the fact she will be changing her name from Wiseman to Humes.
She said: ''Obviously I've had my name my whole life so it sounds a little bit weird. But I'll get used to it I'm sure. I'm going to have to get used to that name soon, aren't I?''
Plans for the big day are so far going well and she admits she has not yet turned into a monster with regards to the organisation of the day.
She said: ''No it's all good. I'm doing well. I'm not bridezilla just yet.''