Ashlee Simpson and fiancé, Evan Ross, recently celebrated their engagement with an extravagant party.

According to The Daily Mail, the 29-year-old singer couldn’t be happier posting a picture to her Twitter captioning, “What an amazing engagement party with all our loved ones! We gettin’ married :)”

The “Pieces of Me” singer and Diana Ross’s 25-year-old son were joined with his famous mom for her birthday along with Jessica Simpson. The couple announced their engagement in Janurary.

Jessica supported her sister by posting a photo to her Instagram page, writing, “Celebrating with my best friend and sister.”

This will be the second time down the aisle for Simpson who broke off her marriage to Fall Out Boy bassist, Pete Wentz in 2011. The two have a five-year-old son together.