Rumer Willis flashes her growing baby bump in black leggings as she picks up five smoothies

Pregnant Rumer Willis displayed her baby bump in a pair of black leggings and a t-shirt as she ran an errand in Los Angeles this week.

Rumer is expecting her first child with her boyfriend Derek Richard Thomas, 28. 

The 34-year-old daughter of Demi Moore and Bruce Willis — who recently held stepmom Emma Hemming’s hand in an Instagram post — added an oatmeal-colored cardigan.

She also wore white socks and slipped her feet into a pair of textured black Birkenstock slides. 

The star looked a bit harried as she carried a tray with five smoothies. 

Maternity style: Pregnant Rumer Willis displayed her baby bump in a pair of black leggings and a t-shirt as she ran an errand in Los Angeles this week

Rumer, the firstborn of the former Hollywood it couple, went makeup-free for the outing.

The donned multiple small earrings and a thin white necklace, as well as various gold rings.

The actress, who announced her pregnancy in December, wore a cream-colored shirt with ‘life guard’ printed across the front in red.

She toted her belongings in a black leather purse with gold hardware as she ran errands.

The mother-to-be — who’s older sister to Scout, 31, Tallulah, 29, Mabel, ten, and Evelyn, eight — stopped by the Container Store, where she was seen with a large bag.

And she also stopped by a cafe to pick up multiple beverages, which included an assortment of cold-pressed juices.

Rumer balanced the items in her hands with the addition of keys to her Jeep and another set of knicknacks tucked under her arm. 

Cozy: The 34-year-old daughter of Demi Moore and Bruce Willis added an oatmeal-colored cardigan as she held onto the five smoothies

Cute: On Monday she was spotted out and about with her two-toned curly hair arranged in a cute and imperfect top knot

Rumer shared news of her pregnancy via Instagram, uploading a series of images that showed her beau resting his head on her stomach.

Rumer also celebrated six years of sobriety in December and took to social media to share a photo of her as a toddler on a swing in a front yard.

‘Sending love to Baby Rue today,’ she captioned the sweet picture. ‘Celebrating 6 years Sober… Woohoo.’

The Once Upon A Time In Hollywood actress added: ‘Also still can’t believe I am currently cooking a little person in my belly right now.

‘I am so deeply grateful for the incredible lessons and gifts that have come my way this year. I’m so grateful this little soul chose me to have the privilege of being their mama.’

Lovebirds: Rumer is expecting her first child with her boyfriend Derek Richard Thomas, 28, and has been seen out and about as she awaits the baby

Since becoming pregnant, the star has been open about making healthy choices for her baby. 

Last month she shared a black and white photo in which she was joined by her little sister Tallulah.

She lifted her long-sleeved black sweater up in the outtake, revealing her burgeoning belly.

Willis wrote to her fans, ‘As soon as I found out I was pregnant one of the first things I did health-wise was start looking at what I was putting in my body and on my body, from food to lotions, oils, beverages and especially vitamins.

‘I wanted to find the most natural things I could with the fewest ingredients,’ she explained.

Careful mom-to-be: Since becoming pregnant, the star has been open about making healthy choices for her baby