Jennifer Lopez is returning the favor after estranged husband Ben Affleck recently praised her. Lopez, 55, stars in the new boxing drama Unstoppable, produced by Affleck, 52, and his best friend, Matt Damon.

A source tells PEOPLE that the singer and actress, 55, who filed for divorce from Affleck, 52, in August, continues to communicate with his kids Violet Anne, 18, Seraphina Rose, 15, and Samuel, 12, whom he shares with ex-wife Jennifer Garner .

Bennifer might be over again but Ben Affleck just proved he still has a lot of admiration for his estranged wife Jennifer Lopez amid the pair’s divorce. During a new interview alongside Matt Damon with Entertainment Tonight published Monday,