Britney Spears is celebrating her sons' birthdays.
Over the weekend, the "Toxic" singer took to Instagram with a heartfelt tribute to her two children, Sean Preston, who turned 21 on Monday, and Jayden James, who turned 20 on Saturday.
Within one post dedicated to her younger son, she said, "Happy birthday to my handsome young boy oh dear lord we have this beautiful thing called life in front of us.
"It's such a beautiful delicate thing," Britney added, before confessing her wishes for their relationship.
She mentioned, "I hope I can be the best mommy in the world every day of ur life!!!!"

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