Britney Spears Attends Son Preston’s Eighth Grade Graduation: ‘She Was Very Happy’

Britney Spears is feeling extra proud this week.
The 37-year-old pop star, who is continuing to focus on her health after seeking treatment at an all-encompassing wellness facility earlier this year, attended 13-year-old son Sean Preston’s eighth grade graduation this week.
“She was very happy to be a part of the graduation,” a source tells PEOPLE exclusively of Spears, who also shares 12-year-old son Jayden James with ex Kevin Federline.
“Kevin andVictoria attended