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Chicago Fire aired its very first episode tonight on NBC, but the sexy, fireman-filled drama already has itself a number one fan: Lady Gaga!

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Pics: Does 'Chicago Fire' Boast TV's Sexiest Cast?

While she's best known for her appreciation of high art, Mother Monster revealed her enthusiasm for this season's primetime TV, tweeting up a storm from her very own Chicago Fire viewing party on Wednesday night with beau Taylor Kinney, who stars in the steamy series, and his co-star Jesse Spencer.

"Me & my two boys," posted Gaga along with a pic of herself planting a kiss on her sexy boyfriend.

While the boys kept the occasion casual, the 26-year-old singer opted for a sheer, low-cut, cleavage-baring top for the party.