Photos show Prince Louis being the silliest royal family member at the Trooping the Colour

<p class="ingestion featured-caption">Royal family during the Trooping the Colour ceremony on June 17 at Horse Guards Parade, central London, as King Charles III celebrates his first official birthday since becoming sovereign.Chris Jackson/Getty Images</p><ul class="summary-list"><li>The royal family gathered in London for Trooping the Colour on Saturday. </li><li>As usual, Prince Louis stole the show — and everyone's hearts.</li></ul><p>Prince Louis is the people's king, at least when it comes to his public antics.</p><p>The 5-year-old prince once again stole the show, this time at 2023's Trooping the Colour, also known as the <a href="https://www.insider.com/trooping-the-colour-why-king-charles-celebrates-2-birthdays-2023-6" rel>king's birthday parade</a>, which took place in London on Saturday. </p><p>The parade has been a royal tradition for more than 260 years and was held in honor of Queen Elizabeth II before her death in 2022. This year marked King Charles' first birthday parade as monarch and involved a military procession of more than 1,400 soldiers, 200 horses, and 400 musicians, according to <a href="https://www.royal.uk/what-is-trooping-the-colour" target="_blank" rel="noopener nofollow">the royal website</a>. </p><p>While there were <a href="https://www.insider.com/trooping-the-colour-kings-birthday-parade-details-you-missed-2023-6">many fun details</a> and <a href="https://www.insider.com/trooping-the-colour-king-charles-birthday-candid-photos-2023-6" target="_blank" rel="noopener">candid photos from the event</a>, the youngest child of Kate Middleton, the Princess of Wales, and Prince William continued to make faces and have fun throughout the ceremony.</p>