RUMER WILLIS could be on the verge of launching a pop career, we can reveal!

The celeb-spawn could be ditching her fledgling acting career, in favour of going pro with her favourite pastime - singing.

According to Rue's Soroity Row co-stars the 21-year-old daughter of DEMI MOORE and BRICE WILLIS has an ‘incredible voice'.

Actor Jamie Chung says, "We had a grand piano in our hotel and we'd come in and she was just jamming and singing. She has the most incredible voice."

Time for Britney to step aside?