Celebrity Parents Happy Birthday Sean Preston & Jayden James! Britney and Kevin's little guys – 3 and 4 this weekend – are growing up! See how these blonde babes have spent the last year By Kate Hogan Kate Hogan Instagram Twitter Kate Hogan is Director of Digital Specials and Features at PEOPLE. In her 14 years at the brand, she has covered everything from pets and babies to style and Sexiest Man Alive, interviewing celebrities including Céline Dion, Carrie Underwood, Jennifer Hudson and Chris Evans. Currently, she oversees the creation of photo galleries that complement breaking news and major PEOPLE moments like The Beautiful Issue and 100 Reasons to Love America. She has offered expert celebrity commentary on Good Morning America and Access Hollywood. Before joining PEOPLE in 2008, Kate was an editorial assistant at Morris Visitor Publications. She graduated from the University of Wisconsin-Madison with a Bachelor's degree in journalism and mass communication and resides outside of Chicago with her husband and three kids. People Editorial Guidelines Published on September 11, 2009 02:00 PM Share Tweet Pin Email Trending Videos 01 of 06 WATER BABIES Ramey Splish-splash! Jayden James, turning 3 on Saturday, and big bro Sean Preston, turning 4 on Monday, don their too-cool hats and water wings for a trip to the pool with mom Britney Spears on Aug. 16. The trio was relaxing at the Ritz-Carlton hotel in Marina del Rey, Calif., before the second leg of Spears's "Circus" tour began. 02 of 06 PARISIAN PALS Bauer-Griffin Bonjour, birthday boys! Sean and Jayden get a little wind in their hair – and spring in their steps – while in Paris on July 7. Would the boys ever follow mom's footsteps into show business? It's possible! The brothers created quite a stir when they showed off some stellar dance moves set to Spears's hit "Toxic" earlier this summer. 03 of 06 DADDY DAY CARE KCSPresse / Splash News Online Proud papa Kevin Federline treats his boys to some frozen sweets – and later a carousel ride – during a stroll through Paris on July 5. While the boys may look up to dad, they don't necessarily take after him, at least physically. "They don't look like their father at all," Spears quipped to Rolling Stone in November. 04 of 06 SHADY CHARACTERS GSI Media Looking way too cool for school, Sean and Jayden enjoy a boat ride with mom on June 30 in Marina del Rey, Calif. Spears says her boys have a close bond, sharing that "since they're almost like twins, they both take care of each other." 05 of 06 DISNEY DUDES Diana Zalucky/Disney Say cheese! Sean and Jayden join mom for a day of fun on March 5 at Disney World's Magic Kingdom theme park in Lake Buena Vista, Fla. Think Spears – who starred on the Mickey Mouse Club when she was younger – had an 'in' with the big mouse? 06 of 06 ALL DRESSED UP Courtesy BritneySpears.com Spears and her dapper little guys strike a pose before uncle Bryan Spears's New Year's Eve wedding in New Orleans, La. "They're such special people," the singer says of her sons. "They're so smart yet so innocent."