Rosie O’Donnell will play Allison Janney’s ex-girlfriend on “Mom”

Rosie is coming back strong! In addition to playing the re-occurring role of Rita on The Fosters and an upcoming appearance on Empire, it’s just been announced that Rosie O’Donnell will be guest staring in a lesbian role on CBS’s sitcom Mom.

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People snagged the exclusive on her new role, in which Rosie will be playing the ex-girlfriend of Allison Janney‘s character, Bonnie. Allison, an ally who has already picked up two Emmys for this role, played gay herself in 2002’s The Hours, opposite Meryl Streep.

As far as we can tell, this is the first time that Mom has dealt with a major LGBT character, but this indicates that Bonnie, who has had relationships with men, is bisexual.

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Mom returns this Thursday with all new episodes on CBS.