The couple's outing comes after Curtis recently explained how they address arguments that 'flare up' as a result of being in one another's company so much.
She put him in a chair in front of a mirror and he questioned why she was not putting a smock on him as if he did not think much of professionalism as a hairdresser.
The Friends star, 56, made clear her thoughts on the situation in a series of slides on her Instagram Stories following the politically-charged death of Pretti, who worked at a Minnesota VA hospital.
'Her arms aren't the result of hours in the gym - they're built through smart, functional resistance that can fit seamlessly into real life,' her trainer Dani Coleman told Daily Mail.
'No matter how much time or where Jen's schedule takes her, she always values moving her body,' Coleman told The Daily Mail. They have been working out together for five years.