'Nashville' Season 2: Chris Carmack, Lennon and Maisy Stella promoted to series regular

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Looks like three actors are moving to "Nashville" permanently. 

"The O.C." hottie-turned-closeted gay country singer Chris Carmack, as well as musically-gifted sisters Lennon and Maisy Stella, have just been promoted to series regulars for the ABC drama's second season, THR reports.

Carmack debuted on the southern musical charmer at the end of its freshman run as Will, the neighbor of Scarlett (Clare Bowen) and Gunnar (Sam Palladio). Will was -- no surprise here -- trying to make it in the country music business ... while hiding the fact that he's gay in order to get ahead. The Stella sisters have been on "Nashville" for the entire first season, playing the daughters of Rayna (Connie Britton) and Teddy (Eric Close)... but it was later revealed that older daughter Maddie (Lennon) was actually the biological daughter of Rayna and Deacon (Charles Esten). Now that both girls are series regulars for the upcoming second season, it looks like that paternity storyline will gain even more attention.

This casting news comes hot on the heels of the announcement that executive music producer T. Bone Burnett will not be returning to "Nashville" on account of scheduling conflicts.

"Nashville" returns in the fall on ABC.

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