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1 July 2019, 15:15 | Updated: 2 July 2019, 12:50
With Wimbledon in full swing, speculation is growing over whether the royal sister-in-laws will attend this year's tennis tournament together
But with Kate already making her first solo appearance at the Surrey grounds to watch Meghan's close friend Serena Williams in action, there's speculation over whether or not the Duchess of Sussex will make it to the sporting event at all.
Viewers spotted the Duchess of Cambridge, who is a regular at Wimbledon, on the second day of the tournament – however her sister-in-law was nowhere to be seen.
So will they be in attendance together at any point?
Royal fans have already spotted Kate Middleton at Wimbledon as the annual competition hots up.
The Duchess of Cambridge looked ready for summer in a white shirt dress teamed with a matching black Alexandar McQueen belt on the second day of the tennis tournament – but her sister-in-law wasn't by her side.
Despite turning up to support one of Meghan's closest friends, Serena Williams, Kate arrived without the new mother, who is currently on maternity leave from royal duties.
Tennis fan and tournament regular Kate first began attending Wimbledon with her parents Carole and Michael, who took her to the prestigious sporting event as a child.
The Duchess of Cambridge, who is a patron of the All England Lawn Tennis & Croquet Club, and the Duchess of Sussex have previously been pictured in the stands together at the annual sporting event.
The relatives hit the Royal Box for the gripping tennis competition in 2018 and were snapped giggling and whispering during a string of matches.
Meghan also appeared at Wimbledon in 2017 to support close pal Serena Williams.
Kate has been attending since childhood.
The Duchess of Sussex first met tennis champion Serena Williams in 2010 at a Super Bowl party.
According to Meghan's former blog The Tig, the two "hit it off immediately".
Describing their first meeting, she told how the duo were "taking pictures, laughing through the flag football game we were both playing and chatting not about tennis or acting but about good old fashioned girly stuff".
The firm friends have continued to support each other since, with Serena even making the rumoured shortlist to become Archie Harrison's godmother.
The main tournament has already begun, kicking off on Monday 1st July, and will wrap up with the final on Sunday 14th July.