Cor blimey, it's Kate the cockney aged 11! Duchess caught putting on fake accent as she stars as Eliza Doolittle in school musical Video emerged of Kate playing Eliza Doolittle, a cockney flower girl The story follows her rise from commoner to a polished 'Duchess' She stars in the school play alongside former 'crush' Andrew Alexander He is now a star in the hit ITV drama series Downton Abbey She has gone from being a commoner to become the Duchess of Cambridge and will one day be our future Queen. But aged just 11, Kate Middleton got an early taste of stratospheric social mobility - by playing Eliza Doolittle, a flower girl taught to pass herself off as a duchess. Footage has emerged of the audience in fits of laughter as she spoke with a Cockney accent in the lead role in the school production of My Fair Lady in 1993. Aged just 11, Kate Middleton got an early taste of stratospheric social mobility - by playing Eliza Doolittle, a flower girl taught to pass herself off as a duchess Footage has emerged of the audience in fits of laughter as she spoke with a Cockney accent in the lead role in the school production of My Fair Lady in 1993 Her love interest in the production, Freddy Eynsford-Hill, was played by Andrew Alexander, who has gone on to become a successful actor starring as party-loving aristocrat Sir John Bullock in Downton Abbey In the musical, Professor Henry Higgins spends hours teaching the flower girl to change her voice so she can imitate a society lady after betting he could train her to pass as a duchess at an ambassador's tea party In one scene, Kate is shown at an elocution lesson being taught how to say: 'The rain in Spain stays mainly in the plain' In the musical, Professor Henry Higgins spends hours teaching the flower girl to change her voice so she can imitate a society lady after betting he could train her to pass as a duchess at an ambassador's tea party. In one scene, Kate is shown at an elocution lesson being taught how to say: "The rain in Spain stays mainly in the plain." In her fake Cockney accent, she replies, "The rine in spine sties minely in the pline," leading to much laughter. In her fake Cockney accent, she replies, 'The rine in spine sties minely in the pline,' leading to much laughter Even as a girl, Kate's beauty was evident as she played the cockney flower girl Kate, who took part in the performance while at £15,000-a-year St Andrew's School in Pangbourne, Berkshire, is said to have struggled with the Cockney accent at first Perfecting the class act, Kate is pictured as 'posh Eliza', at the ambassador's party Kate, who took part in the performance while at £15,000-a-year St Andrew's School in Pangbourne, Berkshire, is said to have struggled with the Cockney accent at first, but "took to being a lady like a duck to water." Her love interest in the production, Freddy Eynsford-Hill, was played by Andrew Alexander, who has gone on to become a successful actor starring as party-loving aristocrat Sir John Bullock in Downton Abbey. But while she may have struggled with the accent, she took to being a lady like 'a duck to water' Kate was said to be very shy around her co-star because she had 'a huge crush on him for years', a source said My Fair Lady is a musical based upon George Bernard Shaw's Pygmalion In her final year at the prep school, aged 13, she starred in Victorian melodrama, Murder in the Red Barn, playing the lead female character, who is proposed to by a squire and told by a fortune-teller she will marry a rich man. It is believed that Andrew was Kate's first schoolgirl crush more than 20 years ago, when the pair appeared in a number of productions together. A friend told The Sun: 'Kate was very shy around him because she had a huge crush on him for years.' After leaving St Andrew's School she went to Marlborough College before meeting Prince William while studying at St Andrews University in Scotland. After leaving St Andrew's School Kate went to Marlborough College before meeting Prince William while studying at St Andrews University in Scotland Before meeting Prince William, Kate Middleton reportedly took a fancy to the Downton Abbey actor while at school The 31-year-old is appearing as Sir John Bullock in the popular ITV drama alongside Dame Maggie Smith and Hugh Bonneville Time for tea: Andrew opposite Elizabeth McGovern, as Lady Cora, in the hit TV series Treading the boards: Kate Middleton performing in Murder in the Red Barn while at school in 1995 They married in 2011 and had their first child Prince George in July last year. She is one of the most famous commoners to become part of the monarchy. She grew up in Bucklebury, Berkshire, where her parents, Michael and Carole Middleton, run a mail-order business selling toys and games for children's parties. The couple met when he was a flight dispatcher and she was an air stewardess both working for British Airways.