Many thanks to @SableSylvan for tweeting the link to a photo of Keanu with a couple that was just married on imgur.
Many thanks to zapatagalo for sharing his selfie with Keanu on instagram and to @Keanuital for tweeting the link.
Update: Many thanks to @womanisha for sharing her photo with Keanu at the winery on twitter and instagram.
Many thanks to kneec69 for sharing her photo with Keanu on instagram. Photo appears to have been taken today.
Update X2: Many thanks to womanishaaa for also sharing two photos on IG. They are here.