'Our bed got a little more crowded': 'Tired' Molly Sims, 43, returns home with new baby after giving birth to third child

There’s no place like home for Molly Sims. 

The new mom was relieved to leave Cedars-Sinai Hospital on Monday with her new bundle of joy, Grey Douglas, whom she welcomed on Wednesday.

But an expanded brood needs the space to match, the model quickly realized. 

No place like home: Molly Sims beamed after returning home from the hospital with her newborn daughter on Monday

‘Our bed got a little more crowded,’ she captioned a heartwarming photo of herself and children on Instagram.

Though she added ‘#mommalookstired’ to the photo, many fans praise her au naturale visage. 

The Las Vegas actress has two other kids with her movie producer husband Scott Stuber: Brooks Alan, aged four, and Scarlett May, aged one.

Worth the wait: Molly experienced a challenging pregnancy this time around

In August the couple was stunned to learned that she was pregnant again.

'It’s a Hail Mary!' she told People. 'I'm so happy — we’re so blessed. We were so shocked, but we’re thrilled.' 

Sims added: said at the time: 'Being 43 is a little worrisome, cause I’m like "Okay, you are going to be 90," but Mick Jagger [is having a baby at 72] so we’re like okay, we feel good about ourselves.'

Speaking to ABC News in a previous interview, she recalled struggling to lose 72 pounds she gained during her first pregnancy and later suffering a blow to her health after welcoming her son in 2012.

Baby bump style: Molly and her husband Scott Stuber posed on the red carpet

'I actually have a picture of my scale and my feet and it was 204 pounds,' she revealed.

Molly said six weeks after giving birth she began her battle to get back the body that landed her in the pages of Sports Illustrated.

'I would work out for an hour and 45 minutes, an hour and 50 [minutes],' she explained. 

Family matters: Molly's son Brooks is thrilled with his role as a big brother to two siblings

Learning early: Emotions were running high for Molly when she saw her daughter pretending to feed the newborn

However, after four months without shedding any pounds, she grew concerned and sought treatment from her doctor who diagnosed her with a thyroid gland problem that could be regulated with medication. 

The blonde sees the problem as a learning situation for women, and hopes that they remain undaunted when addressing health issues.

'My wish is that [women] don’t stop asking people what’s wrong,' she said, adding, 'I tell these women, I’m, like, "If you think something’s wrong, ask a million people."' 

The comments below have not been moderated.

The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline.

By posting your comment you agree to our house rules.

Who is this week's top commenter? Find out now