Jessica Simpson was wobbly at Hollywood hot spot Katsuya after sipping sake following days of a detoxing cleanse. She was given a helping hand by her fiancé, Eric Johnson, "after ordering up the most expensive sake and dancing round the table. She had just finished a cleanse and this was the first meal she had eaten in days," a friend told us. Simpson let her hair down with a group of pals Monday, when spies said she ordered fried rock shrimp, creamy crab rolls, spicy tuna and crispy rice.