According toPageSix, Spears recently shared a quote onInstagramhonoring her boys on their birthdays.

The outlet reports that Sean Preston is now 16 while Jayden James recently turned 15.

Talk about enough to make you go to your knees … GEEZ !

Britney Spears smiles at an event

she wrote in theInstagramcaption.

As the dedicated mother she is, she’s respected their requests for privacy over the years.

Britney Spears with her two sons

Britney Spears with her sons at an event