Jennifer Garner and Ben Affleck were pictured together in a rare reunion on Thursday as they joined forces to attend a meeting at their kids' school in Santa Monica, California.MORE: Jennifer Garner shares rare family video featuring her niece for a very special reasonThe former couple – who finalized their divorce in 2018 – have remained amicable since their split in 2015 and have continued to co-parent their three children: Violet, 16, Seraphina, 12, and Samuel, nine. While they may have