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Hailey said in a tweet that she has an audio and video recording of the encounter between the couple and the flight attendant. It’s not immediately clear who made it.

Hailey demanded a public apology and a refund from the airline.

Hailey was a musician before joining the cast of the cable drama featuring the lives of lesbian friends and lovers living in Los Angeles. The show is currently not aired.

Southwest’s website says it is the official airline of the Gay & Lesbian Alliance Against Defamation. Herndon Graddick, GLAAD’s Senior Director of Programs, said Tuesday in a statement that companies must train employees to welcome all customers.

“Just like all couples, Leisha Hailey and Camila Grey should be able to express affection in public,” Gradick said. “The widespread outrage around Leisha’s report demonstrates that fair-minded Americans will no longer stand for discrimination of gay and lesbian couples.”

Earlier this month, the Dallas-based airline kicked off Green Day’s lead man Billie Joe Armstrong for wearing his pants too low. The Grammy winner was escorted off a plane after failing to follow a flight attendant’s directive to pull up the pants.

Southwest also removed director Kevin Smith from a flight last year because he didn’t fit properly in a single seat. His first tweet read, “Dear (at)SouthwestAir I know I’m fat, but was (the) captain (…) really justified in throwing me off a flight for which I was already seated?”

Hailey is preparing to launch a 21-city tour with Uh Huh Her to promote breast cancer awareness. One of the band’s songs was included in the 2010 movie “The Kids Are All Right.”