Ashlee Simpson & Evan Ross' Wedding Will Have Diana Ross Performing?

Ashlee Simpson carries a chic bag while grabbing lunch with her fiance Evan Ross on Tuesday (June 24) in New York City.

Later in the day, the 29-year-old entertainer and the 25-year-old actor held hands while stepping out together in the Big Apple.

PHOTOS: Check out the latest pics of Ashlee Simpson

The day before, Ashlee was pretty in pink while grabbing some grub with a close gal pal in Beverly Hills Calif.

It was recently reported that Evan‘s legendary mom Diana Ross will be performing at their upcoming wedding, according to E!.

FYI: Ashlee is carrying a Rebecca Minkoff satchel.

20+ pictures inside of Ashlee Simpson heading out for lunch with a close gal pal…