A major milestone in the life of Jennifer Lopez's child is drawing attention beyond the typical graduation celebration. As the singer and actress marked the high school graduation of her 18-year-old child, formerly known publicly as Emme Muñiz, a school-related social media post identified the graduate by a different name: Oskar Jacob Muñiz. According to The New York Post , the development surfaced through an Instagram account dedicated to documenting college decisions from graduating seniors at Windward School in Los Angeles. In a post celebrating the graduate's next chapter, Oskar was named, and his private Instagram account was tagged . The post revealed his plans to attend Sarah Lawrence College this fall, and the private profile uses he/him identifiers and references the future college destination. The post featured a childhood photo alongside the school's logo and noted that Oskar intends to study theater and studio arts.…