Watch Out, Irina!

Bradley & Lady Gaga's Chemistry Is ON FIRE

They're filming 'A Star Is Born' and Cooper's baby mama Shayk is home with the baby.

By Star Staff, April 19, 2017

Credit: AKM/Famefly

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Bradley & Lady Gaga's Chemistry Is ON FIRE

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Bradley Cooper and Lady Gaga appear to have a close connection as costars — but what will his baby mama think? Keep clicking through to see their sexy make-out session on the set of A Star Is Born.

Photo credit: AKM/Famefly

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The 42-year-old actor — who plays an alcoholic movie star determined to help Gaga's character find fame and fortune — was seen really getting into their kissing scene.

Photo credit: AKM/Famefly

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Rising actress Gaga got into character, too, by getting cozy with Bradley, who also happens to be directing the film.

Photo credit: AKM/Famefly

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As Star previously reported, Bradley and girlfriend Irina Shayk welcomed their first child — daughter Lea De Seine Shayk Cooper — earlier this month.

Photo credit: AKM/Famefly

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Bradley's supermodel girlfriend, 31, has wasted no time whipping her body back into shape following the pregnancy.

Photo credit: AKM/Famefly

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She recently shared a sizzling snap in a bikini just weeks after giving birth.

Photo credit: AKM/Famefly

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Bradley and Irina have been dating since 2015, while Gaga ended her engagement to Taylor Kinney last summer. Since then, she's moved on with new boyfriend, Christian Carino.

Photo credit: AKM/Famefly

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Do you think Irina should be worried about their on-set chemistry? Tell us your thoughts below!

Photo credit: AKM/Famefly

The 42-year-old actor — who plays an alcoholic movie star determined to help Gaga's character find fame and fortune — was seen really getting into their kissing scene.

Photo credit: AKM/Famefly

Rising actress Gaga got into character, too, by getting cozy with Bradley, who also happens to be directing the film.

Photo credit: AKM/Famefly

As Star previously reported, Bradley and girlfriend Irina Shayk welcomed their first child — daughter Lea De Seine Shayk Cooper — earlier this month.

Photo credit: AKM/Famefly

Bradley's supermodel girlfriend, 31, has wasted no time whipping her body back into shape following the pregnancy.

Photo credit: AKM/Famefly

She recently shared a sizzling snap in a bikini just weeks after giving birth.

Photo credit: AKM/Famefly

Bradley and Irina have been dating since 2015, while Gaga ended her engagement to Taylor Kinney last summer. Since then, she's moved on with new boyfriend, Christian Carino.

Photo credit: AKM/Famefly

Do you think Irina should be worried about their on-set chemistry? Tell us your thoughts below!

Photo credit: AKM/Famefly