Khan was asked the question by Dunya News programme Mazaaq Raat's host, capturing the audience's attention.
The host then added if Khanzada's had a serious demeanour even in the special moment, referring to his tone during the channel's current affairs show based on critical political developments.
Seconding the host, she said, "Yes, he was serious (even) in those special moments."
In August, Rushna, who has also acted in a couple of Pakistani dramas, posted a shirtless photo of her husband on her Instagram.
The photo, with Shahzeb standing alongside gym equipment, was titled "When he’s not working, he’s working out!”
The duo tied the knot in 2018, bringing fans from two different sections of the society together.