Britney Spears Celebrates Her Sons' Birthdays at Joint Party

Britney Spears‘ boys are growing up so fast and she celebrated their birthdays this weekend at a joint party. “Happy Birthday to my two little baby boys. They are growing up too fast!!!” the 32-year-old singer wrote on her Instagram account along with the photo. Britney threw Sean Preston, 9, and Jayden James, 8, a