Ian Somerhalder and Nikki Reed engage in more PDA as "Vampire Diaries" writers cooked up interesting way to address the "awkward" relationship with his ex Nina Dobrev.

Ian Somerhalder and Nikki Reed engaged in PDA at the Los Angeles Airport as they shared a "sweet kiss" last October 10 while buying for tickets. He heads off for Atlanta to film for "The Vampire Diaries," according to the photo published on Hollywood Life.

The website described that Ian Somerhalder, 35, and Nikki Reed, 26, as "adorable."

"Ian took a moment before heading on their flight to Atlanta to kiss his beautiful girlfriend," it said. "The couple is flying back to the east coast because Ian is right in the thick of 'The Vampire Diaries' season six."

The site wondered whether Ian Somerhalder and Nikki Reed engaging in PDA being on set will make things awkward for the actor and ex Nina Dobrev.

According to Celebrity Dirty Laundry, the writers have introduced some changes in the "Vampire Diaries" to address the alleged awkwardness between Ian Somerhaler and Nina Dobrev.

"The producers have accommodated the awkwardness and arranged for Nina to have minimal love scenes with Ian this season," the site said. "Nina's character has been brainwashed to forget all about Ian's character, which has led to her getting closer to her first love on the show, Paul Wesley's character."

Earlier, according to Hollywood Take, Ian Somerhalder and Nikki Reed putting on some PDA at the set of "Vampire Diaries" is creating tension with his ex Nina Dobrev.

"Somerhalder and Reed's relationship has been getting more serious by the day, and it's become an awkward situation on the Vampire Diaries set, according to insiders," the Hollywood Take said. "First, Dobrev has to see her ex-boyfriend on set constantly. And second, Dobrev and Reed are friends are run in the same circles."