Proof: The two were spotted making out after having lunch in Hollywood last week (PDA alert! Leighton Meester and Sebastian Stan ("Gossip Girl") Despite the occasional paparazzi shot, Leighton and our former Hump Day Hottie, Sebastian , did an excellent job of keeping their romance out of the tabloids.
That is until they broke up in April, when the split made headlines all over the place.
The show follows the siblings as they bear witness and take part in the dramatic lives that their wealthy and privileged peers lead.
Torand Productions was used by the production company for several seasons on the show.
Hilarie Burton and Jeffrey Dean Morgan ("One Tree Hill" and "Supernatural") Hilarie and Jeffrey kept their relationship on the DL for quite a while — long enough to reportedly have a baby together without anyone finding out (!!!