Kaley Cuoco Poses In Lingerie With Big Bang Theory Costar Johnny Galecki

Kaley Cuoco got fans to pay attention ahead of the Thursday, February 7 episode of The Big Bang Theory. The actress posed in lingerie with costar Johnny Galecki on Instagram. Scroll through to see the hot picture!

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Kaley, 33, and Johnny, 43, play each other's love interests on the hit show.

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Finally allowed to post this pic! 😅🤪 all new @bigbangtheory_cbs TONIGHT! I spend the entire episode in lingerie. Kidding just one scene - don’t miss it! 💃🏼 #finalseason

A post shared by Kaley Cuoco (@kaleycuoco) on Feb 7, 2019 at 7:39am PST

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The actress revealed things were about to get steamy when she shared a snap of her wearing lingerie with Johnny in a bedroom.

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"Finally allowed to post this pic! ?? all new @bigbangtheory_cbs TONIGHT! I spend the entire episode in lingerie. Kidding just one scene - don’t miss it! ?? #finalseason," she wrote about the picture.

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The post had fans, including her pal Whitney Cummings, in awe of her abs!

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At one point the two were more than just costars. They dated for two years — off screen — in the early 2000s. They briefly got back together following her divorce from Ryan Sweeting in 2016, before her 2018 wedding to husband Karl Kook.