Royal Style Watch: Princess Kate's designer coat to Meghan Markle's strapless gown

Zara Tindall oozed chic for the Christmas Meeting at Cheltenham Racecourse in a suede trench coat by Fairfax & Favor. The 'Frances' style was teamed with waxed black jeans and heeled ankle boots to match her black headband.

The Duchess of Edinburgh made a leg-lengthening tweak to her suede Gianvito Rossi boots during a Christmas visit to the Disability Initiative resource centre in Camberley. Sophie rolled the tops of the over-the-knee style and teamed it with a plum velvet skirt and chocolate brown roll-neck.

Queen Rania of Jordan epitomised elegance for a visit to the Rosary Sisters Visitation Home. She wore a silk soft pink blouse with matching wide-leg trousers and pumps for a subtle monochrome Barbie moment.

Queen Letizia of Spain met with Italian Prime Minister Giorgia Meloni in a gorgeous soft pink jacket by Carolina Herrera with incredible structured shoulders. It was teamed with the matching pencil skirt and pumps by Magrit.

Queen Mary of Denmark looked gorgeous in an unexpected festive jumper in muted tones with smart grey trousers for an appearance at the WeShelter Food Club event. She rounded off her look with a sleek straight blowdry and sparkling earrings.

Crown Princess Victoria of Sweden looked mesmerizing in the Boucheron Laurel Wreath Tiara to accessorise her H&M ballgown worn to a dinner in celebration of the Nobel Laureates at the Royal Palace in Stockholm.

Kate looked simply stunning as she hosted her 'Together at Christmas' carol service in a ruby red Alexander McQueen coat over her go-to Emilia Wickstead plaid skirt. 

The star of the show was the addition of a black bow at the neck which had fans thinking she was paying a subtle tribute to those who have experienced a battle with cancer.

Princess Anne's daughter Zara Tindall oozed luxury in a sumptuous burgundy velvet suit by Veronica Beard to Kate's 'Together at Christmas service. 

It was styled with a fitted shirt in the same warm hue and a pair of pointed-toe stilettos. Finishing her look was a beautiful gold clutch from Strathberry.

Princess Beatrice got the burgundy memo from her cousin, rocking a merlot-hued ME + EM floral dress underneath the 'Bianca' coat from Hobbs in an aubergine shade. 

Completing the look were the 'Bordeaux Patent Croc Micro hat Box Bag' from Aspinal of London and the killer 'Romy 100' heels from Jimmy Choo in a rich red-purple colour.

The Duchess of Edinburgh rocked a retro look at Kate's 'Together at Christmas service' featuring a brand new 'Milan' dress from Matelier in aubergine to coordinate with Zara and Beatrice. 

Sophie also wore a new Isabel Marant cropped off-white jacket and her staple 'Piper 85' Gianvito Rossi boots for warmth and style.

Princess Charlene of Monaco embodied elegance at the annual Princess Charlene of Monaco Foundation Christmas ball. 

She opted for a forest green floor-length gown with a crew neck and sleeveless silhouette to complement the vintage energy of her face-framing hairdo.

Queen Mary of Denmark switched up her look in a pair of wide-leg jeans when she featured in a video filmed at Grundtvigs Church for the royal couple's digital advent calendar. 

She styled her leg-lengthening denim with a slim-fit purple sweater and heeled boots.

Kate looked pristine as she welcomed the Emir of Qatar and his first wife, Sheikha Jawaher, at Kensington Palace in a maroon coat dress by Alexander McQueen styled with an elegant Sahar Millinery hat and the most timeless Chanel quilted bag in a matching merlot hue.

The Duchess of Sussex oozed glamour as she graced The Paley Center Honors Fall Gala in a black strapless Oscar de la Renta gown with an incredible £30,000 diamond tennis necklace and strappy heels.

Duchess Sophie stunned in the Wessex Aquamarine tiara as she made an appearance at a Buckingham Palace state banquet honouring the Emir of Qatar and his wife during their state visit to the UK.

The glittering diadem was styled with the Suzannah London 'Debutante' gown with a gorgeous boat neckline.

The Princess Royal dined with King Charles and Queen Camilla at the Qatari state banquet in a fit and flare gown she first wore in her thirties, as well as the diamond-encrusted Aquamarine Pineflower Tiara.

A bare-faced Zara Tindall rocked a totally different look as she took part in the final leg of the Cycle4Caroline Endurance Charity Cycle Challenge. The royal rocked burgundy leggings and a navy anorak for her sporty endeavour.

The Queen of Spain looked classically elegant at the commemoration of the 35th anniversary of El Mundo in a black tweed midi dress with a subtle silver thread for a festive twist. She styled her asymmetrical dress with on-trend kitten heels and drop earrings.

Princess Charlene of Monaco shared an epic twinning moment with her nine-year-old daughter Princess Gabriella at the inauguration of the new 'Mareterra' district in Monaco.

DISCOVER: Princess Kate's glittering winter wonderland dress is her most festive to date

Prince Albert's wife was endlessly chic in a monochrome gingerbread-hued look featuring a longline wool coat, longline trousers, and court shoes by Gianvito Rossi.