She's been the subject of some pretty awful taunts on Twitter from a user tweeting her about her stillbirth in 2010.
Lily gave birth to a stillborn son in November 2010. Now a mum to Ethel, six months, she replied publicly to tweets this afternoon suggesting she had actually had a miscarriage.
After someone tweeted her talking about her 'miscarriage' saying it was ok to do so as she had 'moved on'. Lily hit back, replying:
"Actually it was a stillbirth and not really something YOU should be talking about in such a flippant manner.
"Oh and it's not really something one "moves on" from. I live with it every day."
- lilyrosecooper (@lilyrosecooper) May 21, 2012
She received tweets of support from fellow Twitter users, suggesting she block the user.