Brit's boys are getting so big!
On Tuesday, she uploaded a picture of Sean Preston, her "little Hercules," flexing his muscles and "enjoying his gymnastics class!"
The next day, she tweeted a photo of Jayden James "having some hair raising fun on the trampoline."
While the boys' biological father is Spears' ex-hubby Kevin Federline, her fiance, Jason Trawick, plays a huge role in Jayden James and Sean Preston's lives. "Jason is just amazing with the boys," the multiplatinum singer raved to Us Weekly. "They look up to him so much. They adore him. He's their hero."
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