Madonna and Sean Penn are fast becoming the friendliest exes in Hollywood. The actor attended another of his ex-wife’s concerts in Vancouver, Canada on Wednesday night, just weeks after standing in the crowd at her New York show in September.

The 55-year-old stood front row at Madonna’s Rebel Heartperformance next to Amy Schumer, who has acted as a warm-up act during the tour. He could be seen gazing up and smiling at the Voguesinger while she performed her energetic set.

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Sean Penn attended Madonna’s concert on Wednesday

Sean’s attendance at the show comes less than a month after her took his daughter Dylan Penn to Madonna’s Madison Square Garden show, and later wrote the singer a letter of praise to tell her how much he had enjoyed himself.

Speaking during a performance in Brooklyn in September, Madonna took the opportunity to reflect on her ex, telling the crowd: “I did a show at Madison Square Garden the other night if you heard about it. And my ex-husband was there! Could you imagine?

“He had been at my show 30 years earlier when I was at Madison Square Garden, and he was very upset with me for wearing a costume that was too revealing. That’s not a lie!”

Sean attended another Madonna concert in September

She continued: “Anyway after the show he wrote me a letter and said he finally appreciates my art. And that is what I have to say about marriage, OK? Thirty f**king years later.”

Madonna and Sean tied the knot in August 1985 following a whirlwind romance, before calling time on their marriage four years later. They have both since gone on to have high profile relationships, with Madonna most notably being married to Guy Ritchie for seven years, while Sean wed Robin Wright, with whom he had two children, Dylan, 24, and Hopper, 22.

The Milk star most recently dated Charlize Theron for almost 18 months, before the actress reportedly called off their engagementafter spending time with her partner in Cannes in June.

Read more at HELLO Magazine