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.

Soul singer Mary J. Blige is denying reports that she has taken steroids. Blige's name showed up in an investigation that names celebrities have used performance-enhancing steroids and human growth hormones.

"Mary J. Blige has never taken any performance-enhancing illegal steroids," Blige's rep says, adding that the singer had not taken any anti-aging steroids either.

Lauryn Hill is reportedly pregnant with her fifth child. The former Fugees singer - who says she is "married" to Tuff Gong clothing owner Rohan, despite there being no legal evidence of a union - may have to bring up the child alone, as 35-year-old Rohan has moved to Ethiopia.

A source said: "She is overjoyed to be expecting her fifth child, and is looking forward to having a baby in her home again."