33 of Princess Eugenie's Most Whimsical Fascinators and Hats in Honor of Her 33th Birthday

Perhaps Princess Eugenie's most famous fascinator was the feathered number worn to cousin Prince William's 2011 wedding to Kate Middleton. She and sister Princess Beatrice made headlines for their whimsical headpieces.

Queen Elizabeth's granddaughter embraced the accessory early. Here she is at the 2002 Trooping the Colour celebrations with a light blue topper that perfectly matched her dress.

The royal hinted at her love of dramatic hats during the family's 2002 outing to Christmas church services. Her festive headpiece featured a burst of florals and feathers.

Eugenie opted for a headband with an elaborate rose and feather design for her 2006 Trooping the Colour appearance.

The princess chose a similar headpiece for the following year's Trooping the Colour.

Princess Eugenie's fascinators often seem to defy gravity, like this black number from the 2011 Royal Ascot.

The Royal Ascot is one of Eugenie's favorite events to show off fanciful headpieces, like this eye-catching accessory from the 2008 event.

Princess Eugenie isn't afraid to experiment with color — just like her royal grandmother! At the 2009 Royal Ascot, she paired a neon green headtopper with a purple dress.

The youngest daughter of Prince Andrew and Sarah Ferguson added quite a few inches to her height with this Royal Ascot look.

Eugenie topped off her Royal Ascot 2010 ensemble with a literal bow.

The princess seems to favor designs with a tilt, like this lovely number from the 2011 wedding of cousin Zara to Mike Tindall.

Eugenie took the phrase "a feather in your cap" quite literally while choosing her ensemble for the royal family's church outing for Easter in 2012.

Princess Eugenie embraced vintage inspiration for the Diamond Jubilee celebration in 2012, celebrating 60 years of Queen Elizabeth's rule.

In another exciting milestone, 2012 marked the year Princess Eugenie became a college grad! The princess traded in her usual fascinator for a traditional mortarboard to receive her degree in English and History of Art from Newcastle University.

The royal didn't ruffle any feathers during her the 2012 Trooping the Colour festivities, despite her bird-inspired headpiece.

Eugenie's black hat matched the accents on dress at the Royal Ascot in 2012.

Eugenie's sequined fascinator shined at the 2013 wedding of Lady Natasha Rufus Isaacs and Rupert Finch.

Fabulous hats are a style signature for the women of the British royal family, a lesson Queen Elizabeth passed down to her granddaughters.

Here, Princess Eugenie gave a wave at the 2013 Royal Ascot in a woven beige fascinator with black mesh. The monarch, meanwhile, popped in rose pink.

Eugenie was an English rose in a netural floral fascinator at the Royal Ascot in 2014.

Eugenie's headpiece did double duty at the 2014 Royal Ascot: looking stylish and sheilding her from the summer sun!

Eugenie cheered on horses in a front-facing fascinator with sheer ribbon detail for Ladies' Day at the 2015 Royal Ascot.

The princess wowed in white — capped off by a tilted headpiece — at the Qatar Goodwood Festival in 2015.

For her 2016 Easter outing, Eugenie chose a light pink floral piece that rested on her forehead.

Princess Eugenie was anything but boring at the 2016 Royal Ascot with a head-turning hat with tons of detail.

Eugenie sported a circular fascinator featuring a colorful flower for Easter church services in 2017.

The princess appeared to be inspired by the Queen's love of wide brimmed hats at the 2017 Royal Ascot, putting a modern twist on the classic piece.

Eugenie was effortless at the 2017 Royal Ascot in a chic floral headpiece.

Eugenie was all smiles at the 2017 Royal Ascot in an asymmetrical blue hat with yellow flowers, perfectly coordinating with her patterned dress.

The newlywed had love on her mind (and her hat!) at a 2018 garden party at Buckingham Palace.

For the 2018 Trooping the Colour, Eugenie chose a hat that shielded her from the sun.

Princess Eugenie and Princess Beatrice had a matching sister moment at the 2019 Trooping the Colour in black headpieces with white flowers.

Arriving in a carriage behind Queen Elizabeth at the 2019 Royal Ascot, Eugenie wore a green feathered hat by British milliner Bundle MacLaren.

"I think it's a really classic look but with a twist — understated elegance, with a stylish edge," milliner Ellie Fennell told PEOPLE of the look.

Perhaps Princess Eugenie's most spectacular headpiece was the tiara she wore for her October 2018 wedding to Jack Brooksbank. The royal borrowed the stunning Greville Emerald Kokoshnik Tiara from the Queen.

Letting the sparkler shine, Eugenie eschewed a traditional veil and showed the scar on her back from her childhood scoliosis surgery.