Chrissy Teigen flaunts buttock in a thong

Chrissy Teigen shared a photo of herself via  Instagram  in which she was seen lying on her side on a boat, head down, wearing thong bikini.

The daring photo was captionless, letting the image do the talking.

John Legend and his wife,29-year-old, Chrissy are noted for going on vacation.

The sports Illustrated model soaked up the sun and flaunted her enviable curves in a sexy photo.

The lovebirds' vacation began four days ago, when Legend posted a sweet selfie of the two looking sun-kissed on the beach.