Bruce Willis looks like a proud papa!

The Die Hard actor debuted his youngest daughter Mabel Ray on Twitter and the 57-year-old daddy of four looks so in love!

Willis' wife Emma Heming gave birth to the little cutie last month. The family of three are now vacationing in beautiful Budapest. Heming Tweeted below the photo: "A beautiful day in Budapest with the loves of my life."

Heming then added, "I make milk. What's your superpower?"

What a great sense of humor. Adorbs!

Mabel has three older sisters ... Rumer, 23, Scout, 20, and Tallulah, 17.

It's been only a month since her birth, but baby Mabel Ray Willis is already flying with the family!

Earlier today, papa Bruce Willis was seen carrying his bundle of joy at Van Nuys Airport as he, along with wife Emma Heming, were boarding a private plane to an unknown location.

Bruce is currently filming A Good Day to Die Hard but obviously the actor took some time out of his busy schedule to tend to his newborn daughter and wife. Being an action star and family man must be tough!

Bruce Willis and wife Emma Heming welcomed a baby girl named Mabel Ray Willis on Sunday, their rep has confirmed.

Mabel Ray weighed in at 9 pounds, 1 ounce, and the proud parents are "are overjoyed about the newest member of their family. Both mother and baby are healthy and doing beautifully," their rep said in a statement.

This is the first child for the couple, who married in 2009, and this is the fourth daughter for Willis, who has three girls with ex-wife Demi Moore: Rumer, 23, Scout, 20, and Tallulah, 17.

Expendables 2 co-stars Bruce Willis and Sylvester Stallone took their wives out on a double date at Craig's in Los Angeles.

Willis' 33-year-old pregnant wife Emma Heming looked adorable in her black and white dress while her action star hubby kept it simple in head to toe black.

Stallone's wife, Jennifer Flavin, is rumored to be joining in The Real Housewives of Beverly Hills. Check out Stallone's shimmery burgundy sport coat! What a fashionisto.

See more photos from their double date in our gallery below.

Bruce Willis and his pregnant wife Emma Hemming were snapped at the gym this morning, and the couple appear to be handling Demi Moore's meltdown as best as they can.

Bruce was spotted visiting his ex-wife's house yesterday, and while we're not sure how involved Emma is in the family's drama, it has to be having an effect on her as well.

Before Demi's hospitalization (the 49-year-old actress was taken to the ER after smoking a mysterious substance and going into convulsions), Bruce and Emma had spent quite a bit of time with her, as we snapped them out together at numerous events over the years. Emma is also close to Demi and Bruce's three daughters, Rumer, Scout and Tallulah, the youngest of whom still lives with Bruce in West Los Angeles.

Now that Demi Moore is recovering at home after being hospitalized for alleged drug use, she's getting special visits from the men in her life ... ex Bruce Willis and soon-to-be-ex Ashton Kutcher.

A somber looking Willis was seen arriving at Moore's LA home Wednesday around 11:30am. The Die Hard actor must be concerned about his daughters being exposed to Demi's troubles. It was revealed the former couple's oldest daughter Rumer was present during Demi's partying and eventual convulsions that led to the actress' hospitalization.

After Bruce left, Demi's estranged husband Ashton Kutcher pulled up to her home in his blacked-out Lexus around 4:30pm. He visited for close to two hours, then the Two and a Half Men star left. Kutcher recently returned from working and partying in Brazil.

Fresh off the plane from Paris, Bruce Willis was NOT in the mood to chat about ex wife Demi Moore's split from Ashton Kutcher.

The Die Hard actor, who chooses to speak with his fingers, had been in Paris with wife Emma Heming and daughters Rumer, Tallulah and Scout for Le Bal des Debutantes.

Oui, oui!

But who's going to stay with Demi Moore over the holiday?

Rumer and Tallulah Willis won't be with their mom this Thanksgiving -- we spotted the girls with dad Bruce Willis and stepmom Emma Heming at the Roissy Airport in Paris this morning, and Rumer tweeted, "Off to Paris I go!! Can't wait to see my beautiful lil sis at the Crillion ball." Hmm, maybe Scout stayed behind with Demi?