Britney Spears ' son Sean Preston Federline is swapping out his father's last name for his famous mother's ... at least on social media. Sean Preston is now going by Sean P Spears on Instagram ... adding Spears to his handle and shortening his middle name to an initial. Before, his IG was simply Sean Preston. We've seen Sean hanging with his mom and his brother, Jayden James , recently ... going on a boat ride after Britney's DUI arrest . It looks like Britney and her boys have been growing

Tag-uri: Instagram