Liverpool is no stranger to high profile names, but the festival seems to attract more than ever.
Over the years many of the great and the good have been spotted at the infamous race meeting.
Here are just some of the hundreds of celebrities who've been papped enjoying the three day event.
Coleen Rooney - "Queen of Aintree"
Coleen has been an Aintree regular for many years now - so much so she's been dubbed the "Queen of Aintree"
The mum-of-three rarely misses the festival and has worn some stunning dresses over the years.
2016 - A stunning orange and a lacy black number
And practically every year inbetween!
Alex is also a regular Aintree attendee, here she is ten years ago - before her marriage to Steven Gerrard
And more recently in 2012
Danielle is another regular at the races, over the years she's sported several eye-catching outfits.
Here she is in 2014, in a stunning red dress and fascinator.
And in 2012 she picked a blue and black dress to impress her fans.
Our Cilla had a ball at Aintree in 2014, with lifelong pal Cliff Richard, she looks like she had a few winners!
Celebrity stylist Gok Wan was seen on the course in 2015, as he advised women on their style.
In 2015 Rebecca turned heads in her bright pink dress and hat at Ladies Day. Rebecca helped to judge the Style Award that year and also performed for the crowds afterwards.
Paddy's often seen enjoying Aintree, here he is in 2015 with actress and model Jodie Kidd.
Paddy's best friend and fellow comedian Peter Kay has also paid a visit to the Grand National, here he is in 2010.
Here's a very retro inclusion, John Major and his wife Norma watch on anxiously as the Grand National unfolds before them - TWENTY years ago.
Another nostalgic shot, here's a young Johnny Vegas trying his luck at the races in 2004.
Princess Diana and Prince Charles
The royal pair were spotted at Aintree in 1982, with Diana wearing a stunning red coat and hat.
Keen racegoer Princess Anne is often spotted at Aintree, here she is giving Grand National winner Leighton Aspell his trophy in 2014.
Continuing the royal theme, Zara Phillips is another regular at Aintree, here she is in 2016, wearing a gorgeous red coat.
The former Loose Woman looked to be having fun in the sun at the 2015 festival.
The LFC legend is often spotted at Aintree, hoping to win a bob or two, here he is in 2016.
Hairdresser to the stars Herbert was often spotted at Aintree, here he is last year in an eye-catching red suit.
Kym Marsh and Anthony Cotton
It's nine years since this Corrie pair took to the stands to watch their horses come in, haven't they both changed!
Proving that Scousers really know how to up the style stakes Claire Sweeney looked gorgeous at Aintree in 2013.
LFC legend Kenny Dalglish is another Aintree regular, here is is arriving in 2016 for the festival.
Most recently spotted on Channel 4's The Jump, the LFC star is also partial to a day at the races.
The sun was certainly shining on him in 2012.
Another historic snap here, Jennifer Ellison was spotted cosying up to racegoers in 2008 - NINE years ago!