The Belgium royal family celebrates their nation’s holiday annually with attendance at a Te Deum mass and an outdoor military parade. It’s a day we royal hat watchers look forward to each year; over the past decade and a half, Queen Mathilde has entertained us with some wonderful (and wonderfully unexpected) designs:
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Brown straw picture hat in 2000; tall pale pink straw stovepipe with quills in 2002;
pink edged brown Christophe Coppens picture hat 2003

Burnt orange straw curl headpiece in 2004; Pink silk organza headpiece in 2005; Dramatic pink pleated straw flying turban by Fabienne Delvgine in 2006
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Different crystal and feathered headpieces for the 2007 Te Deum and parade, both by Fabienne Delvigne

Green swirled percher by Christophe Coppens and red and orange pleated headpiece by Fabienne Delvigne in 2008

Two more Delvigne designs in 2009- a lace headband with large black bow and memorable pink ringed headpiece

A small black rosette headpiece and large, orange rimmed natural straw picture hat by Fabienne Delvigne in 2010

A pale pink Fabienne Delvigne ruched toque hat and a black embellished beret percher by Philip Treacy in 2011
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Return to a single hat for 2012’s festivities- a black trimmed headpiece in white abaca by Fabienne Delvigne
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Pale pink stylised toque hat by Fabienne Delvigne for the inauguration in 2013
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A Fabienne Delvigne designed orange picture hat with unfinished edges in 2014
UPDATE: Since this post was published, Queen Mathilde has worn the following hats on National Day:
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Pale blue sideswept picture hat by Fabienne Delvigne in 2015
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Blush pink layered Fabienne Delvigne calot in 2016
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Folded headpiece in lavender straw in 2017; a red straw saucer with abaca trim in 2018, a coral straw layered leaf motif hat in 2019, all by Fabienne Delvigne
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Almond parasisal straw picture hat and magenta abacca headpiece with pleated ruffle in 2020, both by Fabienne Delvigne
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Beige textured bandeau in 2021; Natural woven straw hat in 2022; Red brimmed hat in 2023, all by Fabienne Delvigne
What are your predictions for this year? And what hats here stand out to you most?
Photos from Corbis; Lieven Van Assche/epa/Corbis; Olivier Polet/Corbis; Corbis; John Thys via Getty; Corbis; Reuters/Yves Herman; Corbis; Albert van der Werf/dpa/Corbis; Patrick van Katwijk/dpa/Corbis; Albert Nieboer/dpa/Corbis; Philip Reynaers / Photonews via Getty and Getty as indicated