Kate Moss with daughter Lila

Kate Moss "couldn't afford" to buy her daughter a £4 (U.S. 8 dollars) pair of novelty glasses.The 33-year-old supermodel took her four-year-old daughter Lila Grace - whose father is magazine publisher Jefferson Hack - to Cornwall's Paulos Americano Circus, in Newquay, with a group of friends, but didn't have enough money to pay for souvenirs.Circus performer Natasha Darnell-Smith told Britain's Daily Express newspaper: "Kate came to buy the fluorescent glasses we sell to the kids."I did not realise who it was until she took her hat off."She had five to six kids with her and said she could not afford to buy the glasses. They are £4 each."Kate is one of the world's most successful models, with an estimated annual income of £30 million (U.S. $60 million). Despite fears her career would struggle following her cocaine scandal in 2005, she went on to sign a £3 million (U.S. $6 million) deal to produce her own line of clothes for high street chain Topshop, as well as landing lucrative contracts for several top brands including Louis Vuitton, Burberry, Calvin Klein and Christian Dior.