NEW YORK (Reuters) – Teenage Olympian Gabrielle Douglas, rapper Kendrick Lamar, actor Jamie Foxx as well as singers Rihanna and Nicki Minaj were among the top winners at the annual BET Awards on Sunday. The BET Awards celebrate black musicians, actors and athletes. The program is televised on the cable TV network BET, Black Entertainment Television, part of Viacom Inc. Lamar, who scored eight nominations, won the awards for best new artist and best male hip-hop artist at the 3-1/2 hour show at Hollywood's Nokia Theater, which was hosted by actor and comedian Chris Tucker. …