The former X Factor contestant is wearing a cream dress that shows off her growing baby bump in all its glory.
Rebecca, 28, captioned the photo with: “Ok over night my bump has grown and the penguin waddle is in full motion! I can't even tie my shoes and I hate everyone today help me sweet jesus let me be nice becky again I don't like these hormones amen!! (sic).”
REBECCA FERGUSON POSTS WORRYING RANT ON TWITTER: 'I LIVE IN CONSTANT FEAR'
The talent show runner up is already mum to son, Karl, and a daughter, Lillie May, from a previous relationship.
Rebecca’s third child is by her current partner, but he wishes to remain out of the spotlight.
Though Rebecca is looking forward to the arrival of her new baby, the singer is also excited about reuniting with her friends for a big night out.
REBECCA FERGUSON SHARES BABY JOY ON TWITTER
She wrote beneath the picture in response to a friend’s comment: “I know weird isn't it life goes too fast I can't wait for a night out tho jen I really can't just to have a dance with all the girls xxx (sic).”
The stylish pop star also admitted that she has been struggling to find her feet when it comes to pregnancy fashion.
She wrote again in response to an Instagram follower: “I've been planning out outfits I know how u felt now ha xx.”