Los Angeles: Supermodel Alessandra Ambrosio was spotted having a gala time with her beau Jamie Mazur over the weekend in a red bikini.The 32-year-old showed off her slim figure and toned stomach in the two-piece swimsuit in Malibu during the family outing Aug 1, reports eonline.com.She was also accompanied by her five-year-old daughter Anja.Ambrosio was also seen playing a game of beach volleyball with some friends. The model also shared a picture of her with two other models on the beach, on the micro-blogging website Twitter."Summer is not over yet! Loving the LA weather!" she tweeted.View more pics...