A post shared by Blake Knight (@hrhblakeknight)Actor and singer Garrett Clayton and his husband, screenwriter Blake Knight, have celebrated their 12th anniversary. It’s also two years since they wed in a ceremony to coincide with their tenth anniversary.On Instagram, Clayton posted a montage video of their wedding (which was officiated by Reese Witherspoon). In the caption, he expressed gratitude for Knight’s love and said how happy he was to have met him when still comparatively young.A post shared by Garrett Clayton (@garrettclayton1)“Happy anniversary,” he began.