The reality star pushed a stroller as she accessorized a navy Yankees cap and and Prada sunglasses.

Her blonde locks were tied back into mini buns and bared her face going makeup free during the outing.

Paris Hilton put on a casual display and kept a low profile while out running errands with her one-year-old son Phoenix in Los Angeles on Monday

She wore a grey sweatshirt with black sweatpants while she carried her baby in her arms

Her blonde locks were tied back into mini buns and bared her face going makeup free during the outing

Little Phoenix was dressed in a grey T-shirt and khaki shorts as he clung to his mother.

The one-year-old sported a trendy white hat and matching sneakers while being placed in his stroller.

The doting mother lovingly brought along her sun to enjoy quality time under the sun.

The entrepreneur shares her son and daughter, London, with Carter Reum, 43, whom she began dating in 2019.

The blonde beauty and the businessman got engaged in February of 2021, and tied the knot that November.

Hilton revealed that she and her husband had welcomed Phoenix via surrogate in January of last year.

The socialite’s eldest child has since been featured in numerous photos and videos shared on her various social media accounts.

The reality television figure and her husband went on to welcome London, who was also delivered via surrogate, last November.

Hilton’s eldest son became the subject of attention late last year, when numerous Instagram users began leaving messages on her posts to ridicule the size of his head.

The entrepreneur spoke to People last November and told the media outlet that her ‘mama bear instincts’ began to surface after reading various comments concerning her son.

The model lashed out against the users who had made remarks about Phoenix, and described the individuals who did so as ‘cruel’ and ‘miserable.’

‘I couldn’t believe that they could be mean and vicious about a little innocent baby,’ she added.

The blonde beauty and the businessman got engaged in February of 2021, and tied the knot that November

The socialite’s eldest child has since been featured in numerous photos and videos shared on her various social media accounts

Hilton said on social media that although she had become accustomed to online criticism, she would not tolerate jokes at her son’s expense

The entrepreneur shares her son and daughter, London, with Carter Reum, 43, whom she began dating in 2019

Hilton then stated that, although she had become accustomed to online criticism, she would not tolerate jokes at her son’s expense.

‘You can say what you want about me, but this is my little angel. And if anyone ever says anything to hurt him or his feelings, I will always be there to protect him,’ she stated.

The DJ also thanked the individuals who had shown their support for Phoenix at the time.

‘Sticking up for me meant the world to me, and to have people looking out for Phoenix in that way, it meant a lot,’ she said.