Houston is reeling from Hurricane Harvey, and the people across the country have jumped to contribute to recovery efforts -- including in Hollywood, where many stars have offered hefty donations. Kevin Hart publicly called on his famous friends to open their wallets, successfully recruiting a slew of stars to answer his challenge. Others stepped up on their own, including Sandra Bullock and Leonardo DiCaprio, who've made some of the biggest personal donations in the nation. Miley Cyrus broke down in tears while on "The Ellen Show" while announcing her own massive donation. Worth noting: Several A-listers, like Oprah Winfrey and...
