Stars share photos from inside Princess Eugenie and Jack Brooksbank's gorgeous receptions

St George's Chapel was brimming with love as Princess Eugenie married her longtime love, Jack Brooksbank, in a beautiful ceremony on Oct. 12 - but the festivities didn't end there! Guest like Demi Moore, Prince Harry and Meghan, Liv Tyler, Kate Moss, Cara Delevingne, Prince William and Kate, Naomi Campbell and more moved on to a luncheon hosted by Her Majesty at Windsor Castle. From there, the black-tie gowns came out as a selection of family and friends spent the evening toasting the happy couple at Eugenie's family home, Royal Lodge.
Naturally, there was plenty to be seen on social media! We've rounded up the best behind-the-scenes shots - click through to see them all...

The love was in the air at the couple's luncheon, where the newlyweds were caught in a sweet moment gazing adoringly into one another's eyes. Making the rounds on social media, this snapshot also gives a glimpse of the stunning luncheon room and the couple's autumnal cake in the background.
Photo: © Instagram

Fans got a glimpse of the beautiful grounds of Windsor Castle in this snap of Liv Tyler and her hubby Dave Gardner.
Photo: © Instagram/@misslivalittle

Supermodels Naomi Campbell and Kate Moss posed with Demi Moore and Kate's daughter Lila posed for this epic photo in the washroom at Windsor Castle. Liv Tyler snapped the shot with the caption: "I couldn’t resist stealing this sweet moment of these beauties in the powder room."
Photo: © Instagram/@misslivalittle

It's all in the details - and Windsor Castle has more than enough to go around! From the portraits to the woodwork and the luxe chairs and tablecloth, this shot of guests having a drink at their table really gave fans a glimpse of the castle's grandeur.
Photo: © Instagram

Writer Derek Blasberg spent the day with the Delevingnes - Chloe, Poppy and Cara - sharing this sweet selfie outside the castle. The trio's model-actress member, Cara, wore one of the days most buzzed-about looks in a tuxedo and top hat.
Photo: © Instagram/@derekblasberg

Stella McCartney, who designed Demi's gorgeous oxblood dress, shared this shot of the actress posing in the gorgeous castle on her Insta Story. She captioned the shot, "Demi inside the Castle with the gals."
Photo: © Instagram/@stellamccartney

Stella McCartney also gave fans a glimpse of Demi's stunning evening look, a black gown with a tuxedo-inspired white underlay and a matching bag with pearl detailing.
Photo: © Instagram/@stellamccartney

This photo of Cleo Von Adelsheim shows off the stunning draped walls and autumnal floral arrangements at Eugenie and Jack's evening party, where friends and family toasted the couple until the wee hours.
Photo: © Instagram

Once their little bridesmaid Teddy had gone to bed, Robbie Williams and Ayda Field amped up the glamour for a date night at the couple's glam reception. The singer wore a stylish tuxedo while his wife stunned in a strapless black gown. She captioned the photo: "Celebrating the bride and groom on an evening of love and a lifetime of happiness… to Eugenie and Jack."
Photo: © Instagram/@aydafieldwilliams