08/31/2009 at 01:00 AM EDT
MARISSA JARET WINOKUR & ZEV
"For his first beach trip, we took him to Malibu on the Fourth of July to watch fireworks," says Winokur (with Zev, 1).
"Being that I love throwing themed parties, I knew Max's first birthday had to be extra special," Aguilera says of Max, 1. "We decided to do an entire Where the Wild Things Are
-themed blowout, turning the house into a magical forest."
LALA VAZQUEZ & KIYAN
"When we spend family time, we like to take a nice walk or ride bikes," says Vazquez (with Kiyan, 2, and fiancé Carmelo Anthony).
ALESSANDRA AMBROSIO & ANJA LOUISE
"We did a chocolate Easter egg hunt," says the Victoria's Secret model (center, with her 1-year-old daughter, fiancé Jamie Mazur and mother Lucilda). "It was Anja's first experience with chocolate and she loves it!"
NANCY O'DELL & ASHBY
"On her first trip to New York City we took a carriage ride," says O'Dell (with husband Keith Zubchevich and Ashby, 2). "She was thrilled with the horses!"
KERRI WALSH & JOEY
"Joey's a spitting image of his daddy" says the Olympic swimmer (with her 2-week-old son and husband Casey Jennings).
CANDACE PARKER & LAILAA
"That was her first July 4," says the WNBA star of Lailaa, 3 months. "We woke her up so she's not too happy!"
POPPY MONTGOMERY & JACKSON
"I'm giving him a bath in the sink," she says of her son, 1. "He loved it!"
RASCAL FLATTS' JOE DON ROONEY & JAGGER
"The first gathering we really had at the house was Jagger's first birthday party," says Rooney (at home with wife Tiffany Fallon and the little guest of honor). "We had this friend make this awesome guitar cake and let Jagger go to town."