Her beautiful brunette-to-blonde hair was tied back in a loose ponytail.
Both Whitney and her son wore masks to reduce the risk of exposure to COVID-19 while spending time in public.
Comfy clothing: The reality television personality wore a white crewneck sweater that was contrasted with a dark gray pair of sweat pants
Happy mom: The designer shares her son with her husband, Tim Rosenman, whom she met while they were both working on The City
Port and husband Rosenman married in 2015 after first meeting on The Hills' spinoff The City, where he served as one of its producers.
Although the pair grew close while they were involved with the series' production, the designer and her now-husband kept things professional at first.