It's Ladies' Day at Aintree race course, and the annual parade of feathered fascinators, impressive tans and unsuitable heels has begun.

IBTimesUK presents a gallery of the fashions on show.

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Alex Livesey/Getty Images
Alex Livesey/Getty Images
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Alex Livesey/Getty Images
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Laurence Griffiths/Getty Images
Christopher Furlong/Getty Images
Laurence Griffiths/Getty Images
Laurence Griffiths/Getty Images
Christopher Furlong/Getty Images
Christopher Furlong/Getty Images

Ladies' Day is one of the highlights of the Grand National Festival at Aintree, which peaks with the running of the Grand National Steeplechase on Saturday. 

A sell-out crowd of 71,000 fans will be at Aintree for the 167th running of the National, the highlight of a three-day festival that began on Thursday. The race will be screened to a worldwide TV audience of about 600 million and bookmakers estimate about 350 million pounds ($580 million) will be bet on it in Britain alone