Former Girls Aloud star Kimberley took to Instagram on Sunday (15 March) to share a super cute photo of her baby boy.
In the black and white snap, Kimberley can be seen cradling six-month-old Bobby in her arms, and he looks adorable in a stripy top as he overlooks her shoulder.
Kimberley said: "Had a lovely first Mother's Day hope all you mum's out there did too."
And, Kimberley's BFF and former bandmate Cheryl Fernandez-Versini also said she couldn't wait for "snuggles" with Bobby.
X Factor judge Cheryl shared a new photo of Bobby crawling on the floor. She gushed: "I'm due some serious snuggles @kimberleywalshofficial look at him #Bobs #littleman #HappyMothersDayKimba."
On 4 September 2014, Kimberley announced she had given birth to Bobby. She tweeted: "Our beautiful baby boy Bobby arrived yesterday afternoon. He's perfect."
Just two months after Bobby's arrival, Kimberley announced her engagement to boyfriend Justin Scott. The couple's engagement news came after more than 10 years of dating.
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Copyright: Rex Features WENN/Matthew Taylor/Daniel Deme/Josiah True/Matthre Taylor/Joe