Selena Gomez and Justin Bieber 'not engaged'

Selena Gomez's representative has dismissed reports that the singer is engaged to her pop idol boyfriend Justin Bieber after the teenage beauty was spotted sporting a diamond ring.

The couple has been dating since last year and Gomez took the Baby hitmaker as her date to a friend's wedding in Mexico on Wednesday.

However, a representative for the Disney star insists the couple won't be hosting a wedding of their own after Gomez's ring sparked ... BNN