On today's Loose Women the panel discussed Cheryl and Liam's red carpet debut as a couple, which happened in Paris last night.
While Janet Street Porter seemed sceptical about their union, former model Katie predicted it could be getting serious very soon.
"I genuinely think she'll be pregnant before you know it," said Katie. "I reckon they're really in love, they really suit and I bet you any money she will be pregnant and as soon as her divorce comes through they will get married."
She did add: "Not that I'm ever right!"
Cheryl is currently divorcing second husband Jean-Bernard Fernandez-Versini. They split last year.
Katie's thoughts were in contrast to Janet's view, as she said: "I look at this photo [of them together] and think, two very successful brands temporarily united. Call me a bitch [but that's what I think]."
Cheryl was accompanied by One Direction's Liam to the Global Gift Gala in Paris on Monday evening (9 May), where she picked up the Philanthropist Award for her work with Cheryl's Trust, which helps disadvantaged youths in the UK.
Liam later took to Twitter to say he was "so proud" of his girlfriend.