updated 08/08/2013 AT 11:00 AM ET
•originally published 08/08/2013 AT 1:30 PM ET
Looks like things are getting serious.
Just one day after Ashlee Simpson bonded with new beau Evan Ross’s clan – after mom Diana Ross’s performance at the Hollywood Bowl – the new couple was spotted spending quality time with the other man in Simpson’s life: Bronx Mowgli, her 4½-year-old son with ex-husband, Pete Wentz.
The trio was snapped holding hands in Venice Beach, Calif., on Sunday while sporting black rock ‘n roll T-shirts. (From the looks of it, both mom and son paid homage to Michael Jackson, while Ross gave a nod to the Ramones.)