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Tea Leoni, Tim Daly, Madame Secretary

CBS, NICHOLAS KAMM/AFP/Getty Images

Téa Leoni is dating Tim Daly, her onscreen husband on the CBS show Madam Secretary, E! News has learned.

The news, which was first reported by Us Weekly, comes months after the series' debut and about six months after the 48-year-old actress and The X-Files alum David Duchovny, 54, filed divorce papers after two public breakups. They share two children, Madelaine West, 15, and Kyd Miller, 12.

"It's relatively new," a source told E! News, regarding Leoni's relationship with Daly, who is 58 and has two children of his own from a previous marriage.

The two both went to the Putney School, a prep and boarding school in Vermont. They graduated 10 years apart.

"We had a few of the same teachers, which is really crazy," Daly told E! News in July at a Television Critics Association event for Madam Secretary.

He added that he thinks Leoni is "a good kid. "

Other famous alumni include Felicity HuffmanThe Princess Bride and Clueless star Wallace Shawn and Lost co-executive producer Carlton Cuse.

Madam Secretary marks the first time Leoni and Daly have worked together onscreen. The show debuted in September and stars Leoni as the U.S. Secretary of State, while Daly plays her husband.

"To see a  marriage that's functioning, not in a way that's perfect because there's no such thing, but in a way that is about people who are really powerful and committed is something that we haven't seen on TV and that really interested me," Daly told E! News.

"Marriages on television always suck and this one doesn't," he added. "It's complicated, it's difficult, it's dynamic but it's about two people who are passionately committed to making it work."

Tea Leoni, Tim Daly, Madame Secretary

CBS, NICHOLAS KAMM/AFP/Getty Images

Leoni is also known for roles in films such as Deep Impact and Jurassic Park III, while Daly made his film debut in the iconic 1982 movie Diner and has also starred on TV shows such as Wings and Private Practice.

Leoni has made headlines over the years with two public splits from Duchovny, who has also worked with her onscreen, in the 2005 film House of D, which he wrote and directed. The two wed in 1997 and separated in 2008. That year, the actor entered rehab for sex addiction. The pair then reconciled and split again in 2011. Divorce papers were filed in June 2014.

"Listen, David gave me the two greatest gifts on the planet, Leoni told Parade magazine in an interview published in September. "I don't know how I could ever hate him. We've always loved each other, and we adore these kids."