The only hint anyone received from the starlet was "the release is closer than you think."
Because that's not vague! LOLz!
The stunning Smash star looked beyond seksi in a black satin Theyskens Theory gown with plunging neckline and thigh-high slit.
Keep an eye out for nip slips, y'all!
Katharine completed her femme fatale look with a high top bun and strappy black heels.
It's like vintage J.Lo, but better!
[Image via AP Images.]