Beyonce Knowles is giving boyfriend JAY-Z's basketball franchise a style makeover by designing new outfits for the team's cheerleaders. The rapper is a part-owner of NBA team the New Jersey Nets and his girlfriend is showing her support by giving fans something sexy to look at on the sidelines. Beyonce and her mother TINA, who run the House of Dereon fashion line together, have struck a new deal with the Nets to design new outfits for the cheerleaders.