LA MEJOR PARTE DE DIVORCIO BEN AFFLECK Y JENNIFER GARNER

Lopez and Affleck most recently reunited on his 52nd birthday, which an insider told PEOPLE he spent having a small "celebration at home" with his kids.“I came to the house one day…and she had told me, ‘The musicians are coming,’” Ben recalled during a confessional in the doc. “And then I went down there and my book that I had given her