Ben Affleck praises 'spectacular' Jennifer Lopez

Ben Affleck thinks his estranged wife Jennifer Lopez is "spectacular" in new movie 'Unstoppable'.

The 52-year-old actor - whose estranged wife filed for divorce three months ago after just two years of marriage - and his friend Matt Damon's Artists Equity have produced the 55-year-old singer-and-actress' new movie 'Unstoppable', and despite their personal turmoil, the 'Accountant' star is still a fan of Jennifer's work.

Asked about the film's early positive reviews, Ben compared it to his other current project, the Cillian Murphy-starring 'Small Things Like These', and told 'Entertainment Tonight': “'Unstoppable' is a very different movie than this but in a way it’s similarly rooted in the passion of really talented artists.

"[Director] Billy Goldenberg and Jennifer [Lopez] and Don Cheadle and Jharrel [Jerome], and Bobby Cannavale, all were really passionate about this film...

“Jennifer is spectacular.

"['Unstoppable' is] another one that we’re really really proud of. We believed in the right people [in 'Small Things Like These'] and 'Unstoppable' is another example of that.”

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Last month, the 'Hustlers' actress admitted ending her marriage to Ben almost took her out "for good" but she doesn't regret her decision.

Jennifer - who was previously married to Ojani Noa, Cris Judd, and Marc Anthony - told Nikki Glaser in a conversation for Interview magazine: "I was thinking about this time in my life, and I’m like, 'That’s not what I thought it was going to turn out like.' And then I thought, 'No, this is exactly where I needed to be, to lead me to where I want to go.'"

Asked if she doesn't regret the pain she went through, she added: "Not one second. That doesn’t mean it didn’t almost take me out for good. It almost did.

"But now, on the other side of it, I think to myself, 'F***, that is exactly what I needed. Thank you, god. I’m sorry it took me so long. I’m sorry that you had to do this to me so many times. I should have learned it two or three times ago. I get it. You had to hit me really hard over the head with a f****** sledgehammer. You dropped the house on me. Don’t have to do it again.' ”

The 'On the Floor' hitmaker - who didn't mention Ben by name throughout the interview - admitted it has been "f****** hard" being along and there are times she has felt "sad" and "desperate" but she knows she will be fine on her own.