Ashlee Simpson and Pete Wentz's Pace Celebration

Fresh off of their big baby-on-the-way announcement, Ashlee Simpson and Pete Wentz headed out for a celebratory dinner at Pace restaurant in Los Angeles last night (May 28).

As previously reported by Gossip Girls, Simpson and her Fall Out Boy hubby finally confirmed rumors that they are expecting their first child together.

“While many have speculated about this, we wanted to wait until after the first trimester to officially confirm that we are expecting our first child,” they wrote on Wentz’s website.

The couple continued to tell: “This is truly the most joyous time in our lives and we are excited to share the happy news and start our family.”

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To watch video footage of Ashlee and Pete out at Pace - Click Here!

Enjoy the pictures of Ashlee Simpson and Pete Wentz out at Pace last night (May 28).