Lady Gaga slips into wedding dress in online snap as she denies engagement to Taylor Kinney. They are said to have celebrated their one year anniversary over the weekend. And now Lady Gaga has set speculation abuzz about the status of her relationship with boyfriend Taylor Kinney, after posting a photo of herself in a wedding gown online. Quick to diffuse the situation, she explained to fans: 'It's my best friends wedding she made us try on dresses! BRIDESMAIDS VERA [Wang] Baby.'