Jennifer Lopez is reportedly “trying to be friendly” with her estranged husband Ben Affleck for the sake of their kids. The singer/actress split from the Hollywood actor in April after less than two years of marriage, and she filed for divorce on August 20 – the date of their second wedding anniversary. The former couple were pictured having brunch together in Los Angeles with their kids over the weekend (14-15.09.24) and it’s been reported that Jennifer wants to remain on good terms with her ex for the sake of their children, A source told PEOPLE: “They all came together for a fun lunch so th…