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KATE MIDDLETON
James Gourley/REX/Shutterstock

02of 14QUEEN ELIZABETHJames Gourley/REX/ShutterstockThe Queen wears an ice blue Angela Kelly hat with white flowers at the front along with her Angela Kelly cashmere coat and dress.
02of 14
QUEEN ELIZABETH

The Queen wears an ice blue Angela Kelly hat with white flowers at the front along with her Angela Kelly cashmere coat and dress.
03of 14PRINCESS BEATRICESTEVE PARSONS/AFP/Getty ImagesInstead of a fascinator, the bride’s sister went with a purple headband for the occasion.
03of 14
PRINCESS BEATRICE
STEVE PARSONS/AFP/Getty Images

Instead of a fascinator, the bride’s sister went with a purple headband for the occasion.
04of 14NAOMI CAMPBELLPress Association via AP ImagesModel status! Naomi Campbell topped off her all-black ensemble with a matching Philip Treacy fascinator that featured crystal trim and a large black rose on the front.
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NAOMI CAMPBELL
Press Association via AP Images

Model status! Naomi Campbell topped off her all-black ensemble with a matching Philip Treacy fascinator that featured crystal trim and a large black rose on the front.
05of 14
MEGHAN MARKLE

06of 14SARAH FERGUSONADRIAN DENNIS/AFP/Getty ImagesThe mother of the bride makes a statement in her wide-brimmed Jess Collett Milliner hat to see her daughter walk down the aisle.
06of 14
SARAH FERGUSON
ADRIAN DENNIS/AFP/Getty Images

The mother of the bride makes a statement in her wide-brimmed Jess Collett Milliner hat to see her daughter walk down the aisle.
07of 14PIPPA MIDDLETONJames Gourley/REX/ShutterstockA very pregnantPippa Middletonstyles her emerald green midi dress with side-turned Jane Taylor hat featuring ribbon detail.
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PIPPA MIDDLETON

A very pregnantPippa Middletonstyles her emerald green midi dress with side-turned Jane Taylor hat featuring ribbon detail.
08of 14DEMI MOOREPress Association via AP ImagesThe actress sports a twisted ribbon Philip Treacy headdresswhich she adjusted as shemade her surprise appearanceat the royal wedding.
08of 14
DEMI MOORE

The actress sports a twisted ribbon Philip Treacy headdresswhich she adjusted as shemade her surprise appearanceat the royal wedding.
09of 14CARA DELEVINGNEJames Gourley/REX/ShutterstockMenswear chic! The British model and actress wears a classic black top hat with her power pantsuit.
09of 14
CARA DELEVINGNE

Menswear chic! The British model and actress wears a classic black top hat with her power pantsuit.
10of 14ELLIE GOULDINGPress Association via AP ImagesEllie Goudling completes her pale blue look with a simple round Jane Taylor fascinator with feathers on the top.
10of 14
ELLIE GOULDING

Ellie Goudling completes her pale blue look with a simple round Jane Taylor fascinator with feathers on the top.
11of 14LIV TYLERPress Association via AP ImagesThe actress' navy fascinator comes complete with a bow on one side and some netting down the front.
11of 14
LIV TYLER

The actress' navy fascinator comes complete with a bow on one side and some netting down the front.
12of 14SOFIA WELLESLEY AND JAMES BLUNTADRIAN DENNIS/AFP/Getty ImagesJames Blunt’s wife Sofia Wellesley wears a black hat with netting covering a portion of her face as she heads into the royal wedding.
12of 14
SOFIA WELLESLEY AND JAMES BLUNT

James Blunt’s wife Sofia Wellesley wears a black hat with netting covering a portion of her face as she heads into the royal wedding.
13of 14CHELSEA DAVYREX/ShutterstockPrince Harry’s ex-girlfriend Chelsea Davy has to hold her hat down so it doesn’t fly off in the Windsor wind!
13of 14
CHELSEA DAVY
REX/Shutterstock

Prince Harry’s ex-girlfriend Chelsea Davy has to hold her hat down so it doesn’t fly off in the Windsor wind!
14of 14PIXIE GELDOFJames Gourley/REX/ShutterstockThe English model pairs her flowing pink gown with an ivory side-turned headpiece accented with a floral design on the top.
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PIXIE GELDOF

The English model pairs her flowing pink gown with an ivory side-turned headpiece accented with a floral design on the top.
source: people.com