Ashlee Simpson Makes Return to Music for 'Autobiography' Anniversary, Sister Jessica Reacts with Pride

Ashlee Simpson‘s biggest fan is her older sister Jessica Simpson!

The 39-year-old entertainer made her highly-anticipated return to music over the weekend and Jessica couldn’t contain her excitement while reacting on social media.

Ashlee performed at the 20th anniversary celebration of her debut album Autobiography on Saturday (July 20) at Heart Weho in West Hollywood, Calif.

Her husband Evan Ross supported her at the event!

Jessica shared a video from the event and wrote a lot of praise for Ashlee!

Keep reading to find out more…

“I woke up this mornin’ cryin’ like a fan girl nerd sister watchin’ this from last night!!! You are a fuckin’ rockstar Ash! You looked, sounded, and moved like you never missed a day on stage. It was simply EPIC! What a beautiful moment with all of your back up singers (the entire crowd)…CHILLS…You were born for this! Make a record asap! Let’s tour together and take the kids! I am so proud to be your sister!!! You are INCREDIBLE!” she wrote.

Watch below!