Cyrus, 26, and Simpson, 22, ate a little with Tish in Los Angeles on Saturday.
The singer "Daughter Daughter" was dressed in jeans and a T-shirt, with Simpson showing a similar look in photos shared by TMZ. Tish also opted for jeans and an AC / DC shirt.
On Friday, Simpson confirmed the romance by telling reporters at a Tiffany & Co event: "I'm very happy. We're very, very happy," Simpson said. People. "She's creative. She's very passionate about what she does and I'm very much alike. That's why we get along so well."
Cody Simpson on the left and Miley Cyrus on the right were first bound in late 2014.
The singers were released as an item earlier this month when the pair was caught kissing in a store in Los Angeles.
Cyrus Divided in Hemsworth29 in August after just seven wedding months. When the news of his divorce arrived, Cyrus was spotted in a Italian vacations starring reality show Kaitlynn Carter, Who in turn had just split from her husband Brody Jenner.
Carter, 31, and Cyrus called leaves in september after just over a month of dating.