Source: Bang Showbiz NewsVictoria Beckham failed to tip a waitress on a recent trip to a Pizza Express restaurant.The fashion designer dined at a branch of the popular pizza restaurant in Loughton, Essex, on Monday (06.08.12).Despite being wealthy, she apparently only paid the £115 bill in cash and left without leaving a tip.A supervisor at the restaurant told The Sun newspaper about the experience: "Victoria came in on Monday night with six children and David's mum."She paid £115 for dinner in cash. She's a very good customer and comes here regularly.The member of staff continued: "She loves having bosco salad -- warm garlic mushrooms, baby mozzarella, avocado, roasted tomatoes, spinach, rocket, balsamic syrup, honey and mustard dressing with warm doughsticks."She's had other salads before, but never pizza -- she wouldn't eat that.They added: "She didn't leave a tip, she didn't leave anything. I gave her the receipt and she gave me the money exactly, £115. But it doesn't matter."She's a good customer and is always nice. You give her something, she always says please and thank you."