Britney Spears Watches Her Spidersons

Britney Spears catches an evening movie with her mother Lynne Spears and her sons on Monday (March 1) in Calabasas, Calif.

Lynne and two bodyguards helped take care of her grandsons Sean Preston Federline, 4 1/2, and Jayden James Federline, 3 1/2, who dressed up as Spiderman.

Billboard magazine has reported that Britney Spears is the #5 Top Money Maker at $38.8 million, taking in more than $36.4 million for her Circus album tour, as well as profit from more than 7.5 million downloads.

25+ pictures inside of Britney Spears watching her Spidersons…