On Rose McGowan.com they say they are still together:
http://www.rose-mcgowan.com/
[i]Rose McGowan and Robert Rodriguez are still together – professionally and personally, sources tell People.
The actress is starring in three of her fiancé’s upcoming projects – Barbarella, Red Sonja and Woman in Chains! – despite reports to the contrary, according to her rep.
“The production of all three films is moving forward with Rose to star,â€
