Earlier today (8 January), Billie snapped a new picture of Nelly while she enjoyed cuddles with a male friend - and she clearly wasn't prepared to be interrupted for anybody.
While sitting on their pal's lap, Nelly looked away from the camera and placed her palm in the air. Take note, mummy!
Clearly tickled by her little girl, Billie shared the amusing snap on Instagram and joked with her fans: "Nelly - 'talk to the hand mummy, I'm gossiping with Luke'. This little pickle is so funny!"
TOWIE star Billie welcomed Nelly into the world with her fiancé Greg Shepherd in July and the tot has already launched a TV career, having appeared in the ITV reality show within days of being born.
Little Nelly has also enjoyed a jet-set lifestyle and flew to Dubai with her mummy, grandma and aunty Sam last month. And she loves nothing more than shopping in exclusive stores such as Selfridges.
All considering, we're not surprised she's already mastered the art of 'talk to the hand'. Bless her!
Are you having TOWIE withdrawals? Tell us below, as the best comment from across the website each week wins £50!