A perfect example of that was on full display on Tuesday night when the Material Girl's ex-husband attended a screening party for the singer's SecretProjectRevolution film project at the Gagosian Gallery in Manhattan.
A source at the event tells E! News that Penn arrived early and stayed almost until the end of the shindig, adding that the Oscar winner was really supportive and rather flirty with Madonna all night.
Also in attendance?
Lindsay Lohan, who was spotted taking pictures with everyone and having a great time.
Source adds that the night ended with Madonna's dancers in the middle of the floor and Lohan was right there cheering them on.
—Reporting by Alicia Quarles