Gwyneth Paltrow threw on a skimpy red bikini during a trip to Porto Cervo Saturday. She was with her kids, Apple and Moses, and godfather Steven Spielberg and his wife Kate Capshaw for the Italian getaway. The group spent the day on the beach throwing a frisbee, paddle boarding, and swimming. Steven had his video camera out to capture the fun outing and Kate toasted Gwyneth with a cold drink during lunch in the shade. Gwyneth was a little more covered up in a maxi dress when she, Steven, and Kate...