Ten facts you should know about birthday girl Kate Middleton

New Delhi, Jan 9: Catherine Elizabeth Middleton, the Duchess of Cambridge, turns 31 today. Here are a few facts about Britain's most favourite lady, who is presently pregnant: 1. Kate Middleton worked in London as a part-time buyer for the clothing company Jigsaw Junior. When she left the job, she was given the nickname 'Waity Katie', though she used to help her parents in the mail order business Party Pieces. 2. Kate wore a see-through dress at a St Andrews university fashion show in 2002, which sparked Prince William's interest in her. The see-through dress was later acutioned for 78,000 pounds in 2011. 3. Though Kate can have a private chef at her disposal, she prefers to do most of the cooking for herself and Prince William. She was often spotted shopping at Waitrose on Anglesely. when she is at Kengsington Palace, she is often spotted at Waitrose on Kensington High Street. She even surprised shoppers at Tesco last month when she shopped at the supermarket. 4. Kate's look-alike Heidi Agan, 32, charges up to 650 pounds for a public appearance. 5. Kate's father comes from a family of solicitors and landed gentry, while her mother comes from a family of meatsellers, plasterers, road sweepers and domestic servants. 6.Whenever Kate is photographed wearing fashionable dresses, the garment is quickly sold out - one Reiss dress, the Shola bandage dress, sold at a rate of one a minute after Kate was pictured wearing it, reports Daily Mail. 7. As an undergraduate, Kate played for the university hockey team. She represented Malborough College in tennis, hockey and netball.8. Kate and her family stayed in the Jordanian capital of Amman for a few years in the mid 1980s. 9. While in Marlborough College, Kate had a poster of her future husband William on her wall, but later she denied saying that it was in fact the 'Levi's guy' poster which adorned her bedroom. 10. Kate also worked as a crew on Round the World Challenge boats in the Solent while taking a break from studies.