Grey’s Anatomy star T.R. Knight and his boyfriend, Mark Cornelsen, sure do look like they’re enjoying themselves at the so-called Happiest Place On Earth!

T.R., 35, and Mark, 19, got in some quality alone time together at Disneyland in Anaheim, Calif., on Sunday. The couple rode on many of the famed roller coasters and amusement park rides including the “Big Thunder Mountain Railroad” below ...

The pair spent the weekend at the Disneyland Resort celebrating a friend’s birthday in style. T.R. Knight and Mark Cornelsen have been together for about a year now.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.