CHRISTINA AGUILERA - AGUILERA REMAINS SINGLE

Pop babe CHRISTINA AGUILERA has ridiculed reports she's engaged to her low profile boyfriend JORDAN BRATMAN, even though news of their marriage plans stemmed from his grandmother.

The 23-year-old DIRRTY star's romance with Bratman - who works for her management company IRVING AZOFF - has been kept out of the media spotlight, but earlier this week (begs22MAR04) his proud gran SALLY announced raunchy Christina had accepted Jordan's proposal.

She said, "I'm very happy they are engaged. They have a ring and she has worn it. I think it has a diamond in it but I haven't seen it myself."

However, Aguilera's spokesperson has labelled reports of a wedding "completely false", and refused to comment on whether the pair are even an item.