Scarlett Johansson sings in a new music video supporting U.S. presidential candidate Barack Obama.

The 'Lost in Translation' actress joined her fellow stars, including Pussycat Dolls singer Nicole Scherzinger and Wyclef Jean in lending her voice to promotional video 'Yes, We Can' to drum up votes for the Democrat politician.

Tyra Banks has been named Woman of the Year.

The TV presenter was given the accolade by America's OK! magazine for her business sense as well as her position as a role model for women worldwide.