<p><br /> Nadine Coyle has been reportedly twittering about speculation her friendship with her Girls Aloud band mate Cheryl Cole is a little strained.<br /> </p><p><br /> It has been reported that Nadine did not call Cheryl to check if she was ok after she announced her split from husband Ashley Cole.<br /> </p><p><br /> According to reports 24-year-old Nadine, who moved to L.A. a couple of years ago and has been working towards launching her own solo career, says she did text Cheryl but admitted it is hard to talk about break-ups in case the couple get back together and you have said bad things.<br /> </p><p><br /> Nadine has also fought back at criticism she is looking very slim at the moment.<br /> </p><p><br /> In a magazine interview, Nadine says she loves nothing more than a good fry-up and that she is the right weight for her body type.<br /> </p>