OAKLAND, Calif.–(BUSINESS WIRE)–Offering its hard-hitting support for equality and inclusivity, e.l.f. (NYSE: ELF) announced today that it is joining forces with the Billie Jean King Cup by Gainbridge (BJKC), the women’s world cup of tennis, in a new multi-year global partnership. e.l.f. is the exclusive skin and cosmetic partner of the BJKC, the world’s largest annual international team competition in women’s sports. In addition, e.l.f. will co-host the inaugural Power of Women’s Sports Summ