Mark Cornelsen | Entertainment News, Photos, and Videos

Katherine Heigl hides behind a pair of Ferragamo sunglasses as she hangs out with her former Grey’s Anatomy costar (and BFF) T.R. Knight and his boyfriend Mark Cornelsen in Hollywood on Sunday (July 26).

The trio celebrated the big opening weekend for Heigl‘s s romantic comedy The Ugly Truth, co-starring Gerard Butler. The flick debuted at a respectable $27 million behind Disney’s family pic G-Force, which pulled in $32.3 million.

15+ pictures inside of Katherine Heigl‘s Ugly weekend With T.R. Knight…More Here! »

T.R. Knight (and his boyfriend Mark Cornelsen) comes out to support his former Grey’s Anatomy costar Chandra Wilson at her debut performance in the musical Chicago on Broadway at NYC’s Ambassador Theater earlier this month.

T.R. will next hit the stage in the upcoming production of Jason Robert Brown‘s Tony-winning musical Parade this fall at the Mark Taper Forum in Los Angeles.

“I am very fortunate to return to the theater playing Leo Frank in this incredible, acclaimed production of Parade,” T.R. said the LA Times. “After a five-year break, it feels great to be on stage again.”

Grey’s Anatomy star T.R. Knight holds hands with boyfriend Mark Cornelsen after dining at Katsuya restaurant in Los Angeles on Tuesday night (May 26).

E! is reporting that The CW is developing a reality series in the same vein as Grey’s Anatomy.

“Reveille (production company) and the CW would like to document the extraordinary experience of Emergency Medicine residents at a world-class hospital,” reads the casting notice, which was sent to dozens of hospitals throughout the U.S.More Here! »

Grey’s Anatomy star T.R. Knight and his boyfriend Mark Cornelsen hit the blue carpet together at the Annual Los Angeles Gala & Hero Awards at the Hyatt Century Plaza in Century City, Calif., on Saturday (March 14).

Comedianne Wanda Sykes (pictured below) hosted the event, which was sponsored by the Human Rights Campaign.

T.R., who turns 36 later this month, and Mark, 19, sandwiched in actress Candis Cayne (born Brendan McDaniel), who is reportedly engaged to DJ Marco . Cayne was the first transgender actor to play a recurring transgender character in prime time on ABC’s Dirty Sexy Money.More Here! »

Grey’s Anatomy star T.R. Knight holds hands with boyfriend Mark Cornelsen after attending The Curious Case of Benjamin Button premiere at Mann’s Village Theatre on Monday in Westwood, Calif.

Yesterday, it was revealed that there was trouble on the Grey’s set. Multiple sources now confirm to EW that T.R. has asked to be released from his contract.

“They’re working out the details now,” an ABC insider reveals. “He just feels it’s time to move on.”

Grey’s Anatomy actor T.R. Knight shares a laugh with boyfriend Mark Cornelsen while out and about in Los Feliz, Los Angeles on Tuesday afternoon.

T.R., 35, and Mark, 19, were both seen carrying journals/diaries and chatting with an older woman.

Last week, co-star Katherine Heigl visited T.R. at his house in Los Feliz.

10+ pictures inside of T.R. and Mark getting their giggles on…More Here! »

Grey’s Anatomy actor T.R Knight and boyfriend Mark Cornelsen run errands together in Los Angeles on Thursday.

The lovebirds first made a quick stop at the post office and then picked up some beverages at the natural food store.

T.R., 35, and Mark, 19, then shared breakfast at Californian/European style café and bakery Alcove Cafe in the trendy Los Feliz neighborhood.

After their meal together, Mark dropped T.R. off at a TV studio.

10+ pictures inside of T.R. Knight ducking into an Alcove…More Here! »