Ashley Simpson has announced her engagement to Diana Ross' son, Evan.

Taking to her Twitter page, Jessica Simpson's younger sister wrote: "My baby love and I are ENGAGED!!! Hallelujah Hawaii !!!!! (sic)"

The couple who have been together for seven months, confirmed the news with a selfie picture showing off the enormous engagement ring.

Simpson, who divorced Fall Out Boy's Pete Wentz in 2011, with whom she has a son Bronx, is four years older than Ross and this will be Evan's first marriage.