Are you a tennis enthusiast looking for a unique Halloween costume idea? Look no further than the legendary Billie Jean King! As a feminist and social justice icon, Billie Jean King's impact on and off the tennis court make her a perfect inspiration for a Halloween costume that is both fun and meaningful.To create your own Billie Jean King costume, start with her iconic tennis outfit. A blue and white striped polo shirt paired with a pleated white skirt will immediately bring to mind her famous "Battle of the Sexes" match against Bobby Riggs in 1973. Don't forget the white tennis shoes and tennis racket to complete the look!Of course, no Billie Jean King costume would be complete without her signature glasses and short blonde hair. A wig can easily be found online or at a costume store, and a pair of black-framed glasses will add the finishing touch.But what really sets this costume apart is the opportunity to celebrate Billie Jean King's activism and impact beyond the tennis court. Add a "Title IX" pin to your outfit to honor her work in advancing gender equality in sports and education. Or, carry a sign with one of her famous quotes, such as "Pressure is a privilege." This will not only make your costume stand out, but also raise awareness for important social issues.And let's not forget about the photos! Capture your best Billie Jean King poses and upload them to social media using the hashtag #BillieJeanKingHalloween. You may even inspire others to create their own tennis-themed costumes!So this Halloween, channel your inner tennis champion and pay tribute to the incredible Billie Jean King. With a costume that is both fun and meaningful, you'll be sure to make a statement on and off the court.