Lady Tatiana Mountbatten - daughter of King's cousin Marquess of Milford Haven - celebrates christening of her baby girl Elodie

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Lady Tatiana Mountbatten has celebrated the christening of her baby daughter Elodie in a stunning church ceremony. 

Tatiana, who is the daughter of King Charles's cousin George Mountbatten, 4th Marquess of Milford Haven, shared a carousel of images to her Instagram account last week. 

The 33-year-old welcomed baby Elodie, now five months, with her husband Alexander 'Alick' Dru last October. 

She shared a gorgeous snap of herself and Elodie together for the stunning christening ceremony, which took place last month. 

Tatiana looked flawless in a flowing ivory button-down gown, as she wrote: 'Some recent favourites.'  

Lady Tatiana Mountbatten has celebrated the christening of her baby daughter Elodie in a stunning church ceremony

The £3,450 made-to-order dress from Suzannah London was perfect for the occasion, and was embellished with elegant cuffs and a full skirt - and made from Italian silk. 

She paired the garment with a headband from John Boyd hats, which range from around £400 to £800 depending on the design. 

Her chestnut locks were perfectly styled, and she added dainty jewel-encrusted heels to complete the look.  

The equestrian cradled baby Elodie, her first child, who was wearing a traditional christening dress. 

In October, Tatiana revealed she had welcomed a baby girl, announcing the news via Instagram. 

Revealing her baby girl had been born in September, she wrote: 'One month of motherhood… and what a month it's been! Elodie arrived on 20th September. It's already going far too quickly.' 

Tatiana's followers were keen to send their well-wishes, including Flora Vesterberg, the late Queen Elizabeth II's cousin, who commented: 'Congratulations! She's adorable! Very proud of you xx. 

The heartwarming post contained five photographs - the first showing baby Elodie asleep, wearing a knitted babygrow and matching bonnet, while grasping a toy rabbit.

Tatiana, 33, revealed she had welcomed her first child Elodie in September with husband Alexander 

Her post announcing Elodie's birth showed her asleep, wearing a knitted babygrow and matching bonnet, while grasping a toy rabbit

The following image depicted Tatiana and Elodie lying on a bed, with the proud mother donning pyjamas as the newborn snoozed on her chest.

The third snap showed a close-up of baby Elodie holding on to her mother's finger, followed by displays of flowers and cards from friends. 

The equestrian announced her pregnancy in June, alongside a series of selfies that showed off her bump. 

'I've been a bit quiet on here for a while... been busy finding my perfect wardrobe and growing a small person,' she said.

After sharing the post with her 18,000 followers, fans began questioning Tatiana about her journey to motherhood.

In response to one person's question about whether she'd been riding again, she wrote: 'No I'm not still riding, yes I miss it desperately.'

When asked about her first child's gender, she added: 'We don't know what sex baby is, it'll be a surprise on the day.'

Tatiana and Alick were married at Winchester Cathedral in July 2022. 

Alick Dru and Lady Tatiana Mountbatten pose during Royal Ascot 2021; the couple married in a stunning ceremony at Winchester Cathedral in 2022

The bride stunned in a gown by British designer Suzanne Neville. Based on the existing 'Amelia' dress, it was adapted to include a bespoke three-metre train, incorporating embroidery from her mother's wedding gown.

Alick, an Eton-educated entrepreneur, popped the question during a skiing holiday in Verbier, Switzerland, just six months prior to the big day. 

He had taken the engagement ring on holiday with them and chose a romantic mountaintop spot to get down on one knee.

Tatiana is the second cousin once removed of King Charles, and the eldest child of George Mountbatten and his first wife Sarah Georgina Walker.

Her younger brother is Henry David Louis Mountbatten, Earl of Medina, while her stepbrother is Harry Wentworth-Stanley, the husband of Prince Harry's ex-girlfriend, Cressida Bonas. 

Although he does not herald from the same standing as his wife, Alick's family tree is still dotted with landed gentry.

The 31-year-old - whose full name is Alexander Bernard Molyneux Dru - is the son of Auberon Alexander Bernard Dru and Catherine Margaret Norden, who were married in Somerset in 1989.

His father, known as Bernard, is the son of Major Alexander Dru and Gabriel Mary Hermione Herbert, and is a descendent of both John Vesey, 4th Viscount de Vesci, and Henry Howard Molyneux Herbert, 4th Earl of Carnarvon.

Alick was educated at Eton and studied History at Oxford, before founding Tripr, a social travel app, for 'travellers [who] would want to meet other travellers, as well as their friends.'

He then founded Spires Tutoring, before leaving the world of start-ups behind for a role on the M&A team at management consultancy Strategy&. This was followed by a two-year stint as an investor at SoftBank Investment Advisers.

Meanwhile Tatiana, who trained under Olympian Charlotte Dujardin, was educated at the elite £12,000-a-term Millfield private school in Street, Somerset.

Horse-mad Lady Tatiana once wanted to be a ski instructor, but now works training dressage horses.

Following stints in Denmark and Germany, 'Tatty' has settled in Windsor, where she runs a very smart equestrian yard.