Sources said to be close to the couple indicated that though they have only been an item for around eight-months, both are keen to start a family. Paired with black Saint Laurent heels, barely there make-up and her hair tied into a low ponytail, Cheryl was barely recognisable from her typically glamorous self.
The strength of their relationship was clear when Cheryl attended the wedding of Liam's sister Ruth last weekend in Wolverhampton.
Ruth turned to twitter herself to blast critics of Cheryl's dress, lovingly describing her as "the most lovely woman in the world... she can wear anything and still look stunning like she did at my wedding". Liam and Cheryl have been dating since December, but according to reports Cheryl's appearance at Ruth's wedding won over doubters in the Payne family about their romance.
"She's content and while they're in the honeymoon period, this feels like a connection for the future", an insider told The Sun.
"Karen is now convinced Cheryl is the ideal candidate to be Liam's wife".
Hopefully she'll wear a more glamorous gown after choosing a drab outfit, perhaps in a bid to not upstage the bride.
"Cheryl is happier than she's been since the good days of her marriage to Ashley Cole".
Rapper Tinchy supported Cheryl on her 2012 "A Million Lights" tour and praised the brunette beauty for being bubbly and laid back.
While the floor-skimming frock did flash her legs ever so slightly at the back, it was a lot less flesh than we're used to seeing from Cheryl.
Never one to shy away from making a style statement, they were surprised by the outfit she chose for the occasion - it was completely different to anything we've seen her in before.
He said: "There's a little bit of a story behind it but I won't be telling you that". He's a top man and one of my best friends.