Britney Spears and Kevin Federline's two sweet sons celebrated birthdays this weekend - Sean P turns 3 today and Jayden J turned two on Friday. Spears threw a joint car and truck themedparty for the boys on Saturday. Little sis Jamie Lynn and her daughter Maddie Briann attended as well as Brit's mom and dad, Lynne and Jamie Spears and a few celebrity guests. More photos after the jump! Sean and Jayden got to meet their baby cousin Maddie for the first time. Britney previously said that the boys will be like big brothers her little niece. The outdoor party was held at good friendAdrienne Maloof-Nassif's Beverly Park house, and some of the other party guests were, Jenny Mccarthy and her son Evan, 5,and Gwen Stefani's little boy Kingston, 2. Sean and Jayden sped around in their mini motorized cars, both of which were customized Ed Hardy by Christian Audigier. The cars had personalized license plates (too cute!) and the cake was done in the shape of a yellow truck. Brit's tots are all boy! An insider told PEOPLE, "The boys received tons of birthday gifts. Britney and her family really made the party special for the boys." [Source/Source] Related Posts: OMG Is THIS Really Britney Spears? (Photos) VMAs - Britney Sucked In 2007 But Won Big In 2008! (Photos!) VMAs 2008 Britney Spears Wins Best Female Video!


Source: FameCrawler