Halle Berry thinks she’s always having to “prove” herself. The Oscar-winning actress is one of the best-known and best-paid stars in Hollywood, but Halle still feels like she needs to keep proving herself. In a clip from ABC’s ‘Screen Queens Rising’ – which has been shared with People – the actress says: “I feel like I’m someone who is always asked to prove themselves, over and over and over and over again. I’m always having to prove.” Halle, 55, believes she’s faced constant obstacles during her time in the movie business. The acclaimed actress says: “The fight has been consistent. Obstacle a…