Kate Middleton's outfit for Christmas lunch with the Queen is a true Christmas treat.

Tartan is a fabric that screams Christmas much like sequins signal a party and we adore the fact that the Duchess of Cambridge decided to wear a full-on festive look today. According to reports, the tartan dress is by Emilia Wickstead and features a £1,000+ price tag... yikes. Eagle-eyed Kate's Closet believes it's the Anni Tartan Georgette Midi Dress and we just adore the sleeves. The Duchess is clearly a major fan of the designer and has a skirt in the same pattern, which she wore for a Christmas party she and William hosted in 2018 for the families of military serving in Cyprus during the festive season. It's the Pris skirt and we adore the fitted style, check it out here. Kate Middleton was pictured on her way to Buckingham Palace for lunch today with Princess Charlotte, her four-year-old daughter in the back seat, mischievous as ever. Kate and William's youngest son, one-year-old Prince Louis was also in the car dressed in a wooly green jumper while Prince George (6) went in a separate car with his dad, sitting in the front seat.

First Look: The Cambridges Arrive For The Queen's Pre-Christmas Luncheon https://t.co/90keZNuOuO pic.twitter.com/I9CrPytsT2

— Duchess Kate Blog (@HRHDuchesskate) December 18, 2019

It doesn't look as though Meghan Markle and Prince Harry, the Duke and Duchess of Sussex, nor their baby son Prince Archie attended today's festivities with previous reports suggesting they're taking an extended break from royal duties and spending the holiday season in America with Meghan's mum, Doria Ragland. Prince Andrew was also photographed driving to the event and although he recently released a statement where he said he was stepping back from royal duties in the wake of the scandal regarding his relationship with convicted sex offender Jeffrey Epstein, this doesn't appear to have affected his relationship with Queen Elizabeth. Also in attendance are Prince Charles, the Duchess of Cornwall Princess Eugenie, Zara and Mike Tindall, Sophie, the Countess of Wessex and her daughter Louise to name but a few. The Christmas lunch at Buckingham Palace is an annual affair and marks the start of the festive season for the royal family.