Katharine McPhee’s new TV show Smash, a music-filled dramedy about the development of a Broadway musical, premieres tonight on NBC, and she’s doing her best to make sure everyone — especially straight men — tune in. Even if it means hoppping into a bathtub and showing off her gams for GQ. That Kat, so generous! Head below for more pics (and video!) of the singer-actress in some red hot lingerie.

“I can understand why guys wouldn’t be into Glee,” she says, acknowledging the comparisons made between the two shows. “You know, that’s a pretty heavy musical show. That show does, like, six songs in an episode. We’ll do, at most, three.”

How else is she convincing straight men to check out Smash? By promising nudity! “What if I tell your readers that in episode five I take off all my clothes?” Wait, does that actually happen?! “I mean… no.” McPhee laughs. “But can’t we just say that?”

That would certainly disappoint many people looking forward to seeing the American Idol alum  in a variety of sexy, compromising positions. Good thing they have your GQ photo shoot to enjoy!

Head here to read Kat’s full interview with GQ. And watch the premiere of Smash tonight on NBC at 10 p.m. Allow us to entice you with one more hot pic of Kat to make sure you’ve caught an adequate amount of McPheever:

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