Mario Lopez and wife Courtney Lopez celebrated their daughter Gia‘s third birthday at PLAY in Glendale, Calif. on August 17. Joined by 22 children – and some big kids like Eva Longoria and Kearran Giovanni – guests enjoyed a princess-themed afternoon soiree. And although her birthday isn’t until September 11, Gia’s party was perfectly timed. ”It was such great timing to spoil her with some extra love and attention from our family and friends before her baby brother or sister arrives,” Courtney – who is due this month with the couple’s second child – tells Celebrity Baby Scoop. With a red carpet arrival for the guests, with a banner reading, “Happy 3rd Birthday Gia Lopez,” the party-goers enjoyed a bounce house, face painter/tattoo artist, a tree house to climb in, and a princess dress up station. “We had such a beautiful time celebrating our Gia’s 3rd bday!” Courtney gushes. With birthday cake from Polkatots Cupcakes, the party was catered by Subway. “Gia is really growing into her own, and her personality is starting to shine,” Courtney says. “We feel so blessed to have this growing, close, loving family; our extended family; and special friends to share this sweet time with.” Gia sent her guests home with Mabel Label’s tagged goodie bags that…