Ashlee Simpson: Beach Stroll After Sister Jessica's Birth News!

Ashlee Simpson keeps it flowy while carrying her adorable son Bronx on the beach on Sunday (June 30) in Malibu, Calif.

Earlier in the day, it was announced that the 28-year-old entertainer’s older sister Jessica Simpson had given birth to a baby boy named Ace.

PHOTOS: Check out the latest pics of Ashlee Simpson

Last week, Ashlee was spotted rocking a bikini while lounging around a hotel pool in Cabo San Lucas, Mex.

20+ pictures inside of Ashlee Simpson and Bronx taking a cool stroll on the beach…