CARRIE Symonds is expected to meet the Queen at her Balmoral estate — where they will enjoy an informal barbecue.
Eco-campaigner Carrie will accompany her boyfriend PM Boris Johnson to the Scottish castle during the monarch’s summer holiday.
The Queen traditionally invites Prime Ministers and their spouses to stay with her during early September.
And a source revealed Carrie was “expected to go” to Scotland next month, where she and Boris are also likely to have a formal dinner.
In previous years, PMs and their spouses have been invited to walk across the Royal Deeside estate and have even watched the Queen do the washing up.
BARBIE AT BALMORAL
But Carrie, 31, will not be heading to the G7 summit in Biarritz, France, next weekend with Boris.
She will be away as part of her job as a senior adviser with environmental campaign group Oceana.
Samantha Cameron never attended a G7 meeting while hubby David was PM.
On Friday Carrie attended her first public engagement since boyfriend BoJo became PM.
She branded trophy hunting “cruel, sick and cowardly” while speaking at the Birdfair festival in Rutland, in the East Midlands.
The Queen has hosted 13 PMs at Balmoral so far. In her autobiography, Tony Blair’s wife Cherie wrote how she became pregnant with son Leo as she was “too embarrassed” to take birth control to the estate.
She feared a maid would unpack the contraceptive during their visit.
Leo was born in early May 2000 — nine months after her and her husband’s visit to Balmoral.