Warning: Images may cause intense hunger and excessive production of saliva.

July 21 marks this year’s National Junk Food Day — so get your fill of junk food without the calories with these celeb-approved appetizing moments.

Don’t let the fashionista’s scrawny frame confuse you — Brit babe Alexa Chung knows how to chow down with the best of them, especially when that chowing involves Krispy Kreme doughnuts.

The “Girls” starlet gets her junk food fix with cookie-dough fro-yo — with her dog Moxie in tow, naturally.

This pretty little actress can’t lie when it comes to her favorite indulgence: a mouth-watering In-N-Out cheeseburger with a side of fries.

The 17-year-old “Scream” actress goes B-A-N-A-N-A-S for a spoonful of her mom’s banana pudding.

This fashion blogger opts for desserts that are as colorful and picture-worthy as her enviable ensembles.

Taking a break from one of her Master Cleanses, the “Goop” founder indulges in California Donuts.

You scream, I scream, we all scream for Gigi’s ice cream.

The 18-year-old actress has her cake— and eats it, too.

No Wiener schnitzel and beer for this German model, who would rather fill up on an American classic: a McDonald’s Big Mac.

These Australian vending machine classics are anything but fancy.

Sugar and stripes and everything nice pretty much sums up this photo of the 22-year-old model.

The kooky singer indulges her sweet tooth with a skull-shaped baked good enjoying an herbal indulgence of its own.

The comedian satisfies her appetite with a juicy burger and crinkle-cut fries from Shake Shack.

Not only can she act, she can bake too! We bet it was boyfriend Aaron Rodgers who took the first slice.

The “Pretty Little Liars” star curbs her hunger — or hangover? — with In-N-Out burgers and cheese fries.