The former Celebrity Big Brother star recently lent her support to her friend, despite being embroiled in a bitter feud with the star a short while ago.
Chantelle took to her weekly magazine column to write: ‘I thought she’d finally found happiness. It’s so sad, especially as she’s just found out she’s having another baby.
‘The poor girl, not only has she got to get over total betrayal by two of the closest people in her life but she’s also facing the prospect of having a baby on her own. No matter how strong you are, that’s not an easy thing to have to deal with.’
Chantelle and Katie recently made up after things became awkward between the pair when Chantelle married Katie’s ex-husband Alex Reid.
Alex and Chantelle became parents to a daughter, Dolly, before a dramatic split that took place over a space of several months.
Chantelle and Alex’s problems reportedly started when she was still pregnant with Dolly, meaning that the reality star knows only too well how Katie might be feeling following Kieran’s affair.
Chantelle sent her thoughts out to Katie, writing: ‘I really hope her family are there to support her through this horrendous time.’
Find out EXACTLY what Chantelle had to say about Kieran and Jane in this week’s Closer.