Shocking: Drew Barrymore and Selma Blair sniff each other’s armpits mid-interview: ‘Can’t believe I did that on air’

Selma Blair found herself in a stinky situation with Drew Barrymore.

During Tuesday’s episode of “The Drew Barrymore Show,” the television host, 49, abruptly stopped her interview with Blair, 52, and Valerie Bertinelli, 64, to talk about body odor — before casually lifting her arms in the air and letting the “Cruel Intentions” alum get a big whiff.

The smelly conversation started after Barrymore confessed that she loves guy’s t-shirts — particularly when the garment has a “little bit of a smelly pit.”

“It’s because you don’t smell!” Bertinelli chimed in as Blair played it up by leaning over to sniff the “Scream” star. “So you like other smells!”

While Barrymore basked in the compliment of not having any natural body odor, she continued to hold open her suede jacket for Blair to take a sniff.

“Are we really here right now?” Blair responded before smelling Barrymore’s armpit.

However, the actress appeared pleasantly surprised after taking the talk show host’s smell in.

“Nothing!” Blair responded in shock. “Nothing.”

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She then turned to the studio audience and said, “I can’t believe I did that on air,” to which Barrymore playfully responded, “I have other issues, but scent isn’t one of them.”

But Barrymore didn’t stop there.

She proceeded to stick her face in Blair’s pit — but the latter appeared mortified by the move.

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Blair opened up about experiencing a relapse in her battle with Multiple sclerosis (MS). The autoimmune disease affects the central nervous system, including the brain and spinal cord, and can cause numbness, weakness, trouble walking and vision changes, as defined by the Mayo clinic.

Blair was diagnosed with MS in 2018 and sometimes uses a cane to help her walk