The Duchess of Cambridge has had a busy time of royal engagements, including a visit to Cyprus last week, but she found time in her schedule to pay a visit to Buckingham Palace yesterday
Kate, 36, was seen driving herself through the gates in her Range Rover and waved to crowds who were delighted to catch an unexpected glimpse of the royal
The mother-of-three was wearing a cream jacket and appeared to be alone, although it's possible one of her children was strapped into a car seat in the back
The footage was shared to Instagram by melissagrflx who commented: 'When you're so lucky and get a shot of Kate Middleton right when she gets to the Palace
'It was also shared on Instagram by royal fan account duchesscambridge who wrote: 'Catherine comes to Buckingham Palace
I wonder why she came. Perhaps a tea session with the Queen.'The visit comes after her sister-in-law Meghan was urged to turn to the Queen for advice amid their rumoured feud
Earlier this month rumours started circling that Meghan is 'difficult' and demanding of staff, and doesn't get on with her sister-in-law Kate
The Duchess of Cambridge was reportedly left in tears after a tense bridesmaids dress fitting for Princess Charlotte ahead of Harry and Meghan's wedding in May
But according to royal insiders, the Queen is open to lending her support to pregnant Meghan
'Her Majesty has seen it all and could offer the duchess some helpful advice at the moment,' an insider told The Sunday Times
'Meghan would do well to nurture that relationship and pop over for the occasional cup of tea with the Queen
That is what Sophie Wessex has quietly done so well.'Meanwhile, a royal biographer claims that Christmas is set to be something of an 'ordeal' for the Duchess of Cambridge because of the rift with Meghan
Christopher Wilson - who has written biographies on Charles and Camilla - suggested Kate, 36, will be wanting to get away to her own family in Bucklebury, following Christmas at Sandringham with the Queen and other royals
He added that the recent suggestions of tensions between the Cambridges and the Sussexes 'won't make things any easier between the girls'
Kate and William, along with children George, Charlotte and Louis, will be at the Queen's Norfolk residence for Christmas this year, despite previous reports that they would be spending the day in Bucklebury with the Middletons
Speaking to new!, Christopher said: 'Kate's a homebody and loves being with her own immediate family at Christmas - off-duty and relaxed
'Sandringham Christmases can be an ordeal, even for those born royal - and generally those who've married into the family often can't wait to get away
'As with many seasonal family gatherings, there can be undercurrents and the publicity over the Meghan clash won't make things any easier between the girls
' Prince Harry, 34, and Meghan, 37 - who are expecting their first child together in the Spring - are expected to stay at Kate and William's Norfolk home, Anmer Hall, this Christmas, as they did last year