READ MORE: TOWIE's Amy Childs breaks down in tears as she opens up on body confidence strugglesAnother photo showed Ritchie holding hands with his older sister, though it didn't show their faces.Amy captioned the post: "Happy birthday my darling Ritchie” and "How are you 4 today?
Mummy loves you so much."The former The Only Way Is Essex star added: "I love how much you are a mummy's boy" and "Please stop growing".
Amy’s fans and friends posted celebratory messages in the comment section, with presenter Alison Hammond and reality TV star Christine McGuinness responding with red heart emojis.
Amy's cousin Harry Derbidge wrote: "Happy birthday Ritchie. Uncle Harry loves you so much", while her former TOWIE co-star Georgia Kousoulou commented: "Happy birthday beautiful boy".
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