Ashlee Simpson confirmed via Twitter Monday she is engaged to actor-musician Evan Ross, the son of pop music star Diana Ross.

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"My baby love and I are ENGAGED!!! Hallelujah Hawaii!!!" the singer and former reality TV star, 29, tweeted.

"The love of my life said YES!!!!!!" Ross, 25, said in his own Twitter message.

People.com said the couple went public with their relationship last summer. They did not say when they plan to tie the knot.

Simpson has a 5-year-old son from her previous marriage to Fall Out Boy front man Pete Wentz.