Liam Payne's sister has wished Cheryl a "happy first Mother's Day".

Liam Payne

Liam Payne

The 23-year-old singer's sibling Ruth Gibbins has reached out to the 33-year-old musician on social media to celebrate the annual celebration honouring motherhood just days after she gave birth to her first child with the former One Direction band member.

She tweeted: "Happy first mothers day @CherylOfficial eeek i just love him xxx (sic)."

The sweet post came one day after the brunette beauty publicly announced the arrival of her son, who she had given birth to on Wednesday (22.03.17).

Alongside a Polaroid picture of Liam cradling their tiny tot, which was shared on the 'Crazy Stupid Love' hitmaker's Instagram account last week, she wrote: "On Wednesday 22nd March Liam and I became parents to an incredibly beautiful, healthy baby boy, weighing 7lb 9 and looking like a dream. Although he still doesn't have a name he is already stealing hearts. We are all madly in love and overwhelmingly happy with our little arrival. Happy Mother's Day to all the mothers around the world. A day that now has a different meaning to me forever (sic)."

Meanwhile, the former Girls Aloud band member is set to receive assistance from her mother Joan at her family home whilst the couple adjust to parenthood.

Speaking previously about the post-pregnancy plans, a source said: "Joan will be very much on hand to help out Cheryl and Liam during the early stages of the baby's life.

"It's not going to be forever, but Joan has a room in the house and will be staying for however long she's needed."

But while Joan is determined to offer as much support to her daughter as possible, she is also conscious that she doesn't want to step on her toes.

The source explained: "Like any new grandmother, she just wants to offer as much support and possible, without treading on any footsteps."