Katherine Schwarzenegger shows off her baby bump as she goes for a family stroll with Maria Shriver

Katherine Schwarzenegger shows off her growing baby bump as she goes for a family stroll with brother Patrick and mother Maria Shriver

There’s no hiding Katherine Schwarzenegger’s baby bump!

The 30-year-old stepped out for a family stroll on Sunday, with mother Maria Shriver, brother Patrick Schwarzenegger and his girlfriend Abby Champion. 

The quartet enjoyed a long walk in the Californian sunshine over Memorial Day weekend. 

Mom-to-be: Katherine Schwarzenegger shows off her baby bump as she goes for a family stroll with brother Patrick and mother Maria Shriver on Sunday in LA

Katherine is expecting her first child with husband Chris Pratt, who already has 7-year-old son Jack from his previous marriage to actress Anna Faris.

The author was dressed down in a pair of tight-fitting black pants that clearly displayed her burgeoning bump, and a white T-shirt that was tied up around her waist. 

She also took precautions with a yellow graphic print face mask, and a bottle of water to keep herself hydrated in the LA heat.  

Toned: The expectant mother showed off her fit physique in athletic wear as she went for a stroll

Toned: The expectant mother showed off her fit physique in athletic wear as she went for a stroll

Bump day: There was no mistaking Katherine's baby bump on Sunday

Fit: The author was dressed down in athletic wear

Bump day: There was no mistaking Katherine’s baby bump on Sunday

Family outing: Maria Shriver, 64, Patrick Schwarzenegger, 26, and his girlfriend, Abby, 22, all accompanied Katherine for the walk

Family outing: Maria Shriver, 64, Patrick Schwarzenegger, 26, and his girlfriend, Abby, 22, all accompanied Katherine for the walk 

Maria, 64, Patrick, 26, and his girlfriend, Abby, 22, were all casually dressed for the occasion as they enjoyed some fresh air out of lockdown. 

The family appearance comes after dad, Arnold Schwarzenegger, shared his excitement over his first grandchild last week while speaking with Jimmy Fallon.

‘I mean, that is really exciting news that Katherine now, you know [to] be pregnant and have a baby—I don’t know when exactly. Sometime this summer,’ he said.  

Mom: Maria, 64, went casual with a top that had 'darlin' written across it

Mom: Maria, 64, went casual with a top that had ‘darlin’ written across it 

Support: The mother and daughter duo kept chose for the stroll around LA

Support: The mother and daughter duo kept chose for the stroll around LA

Keeping cool: Arnold Schwarzenegger's son Patrick dressed down for the outing

Keeping cool: Arnold Schwarzenegger’s son Patrick dressed down for the outing

Family affair: Patrick was seen with his arm around his girlfriend Abby

Family affair: Patrick was seen with his arm around his girlfriend Abby

‘And, inevitably, I’m really looking forward to playing around with whatever it is, she or he, and have some fun.’

Katherine and Chris began dating in 2018 and announced their engagement in January 2019.

They went on to marry in April 2019 and are said to be ‘getting more excited every day’ and ‘have been adding items to a baby registry,’ according to a People source.

Bumping along: This is the first child for the author

Bumping along: This is the first child for the author 

Postivie attitudes: The mom and daughter duo posted this social media snap over the weekend

Postivie attitudes: The mom and daughter duo posted this social media snap over the weekend