Christina Aguilera shared a rare photo with her fiancé

The singer rarely flaunts her personal life. Only on big holidays does she share family photos.

In honor of Valentine's Day, Christina Aguilera posted a photo with her fiancé Matthew Rutler in a romantic setting at a table decorated with red roses.

"Happy Valentine's Day, my love... So many adventures we've been through together, but so many more to come," she wrote under the photo.