Ding! Ding!

The Spencer Pratt vs. Mary-Kate Olsen feud is so on! And The Hollywood Gossip staff may not have a clue which side to take, but we couldn’t be happier to sit back and enjoy the dispute.

It started earlier this week when Olsen appeared on the Late Show with David Letterman to promote her new movie, The Wackness. Prompted by the awesome talk show host, Mary-Kate referred to Pratt as “wormy” and said the following about her former high school classmate:

“He does not have a good temper. He would walk off the [soccer] field.”

Check out what Mary-Kate Olsen had to say about Spencer Pratt… and then choose a side!

Pratt, of course, just had to respond.

“I don’t really get why she’d use my name to get press for her little indie film that no one’s going to see,” he told Us Weekly Friday. “She should probably focus more on not getting dressed in the dark than on me.”

See, how can you not love Spencer Pratt? That’s hilarious!

“I know I’ve made it in Hollywood when a famous troll is talking about me on Letterman,” Pratt added. “I forgive her, though. She’s had to go through life as the less cute twin, which must be tough.”

Such great stuff. Write in and let us know which side you’re on: Team Spencer or Team Mary-Kate?

David Letterman loves ripping on Spencer Pratt.

Then again, so do we, and there’s certainly enough material.

Last night, Mary-Kate Olsen visited The Late Show to promote her movie, The Wackness, but the conversation turned to - who else - Spencer Pratt.

During a lull in conversation, Letterman began ripping on “young Hollywood” and all the celebrities going to jail, wearing no panties, and so on.

Turns out Mary-Kate attended prestigious Crossroads School in Santa Monica, Calif., with Spencer (other alumni include Gwyneth Paltrow, Kate Hudson, Jack Black, Brody Jenner, Whitney Port, Jonah Hill, Cash Warren and many more).

According to Mary-Kate, Spencer is indeed “wormy” and “oily” (Dave’s words) and used to storm off the soccer field in hissy fits! See clip below …

We have no idea who this random dude is with Mary-Kate Olsen, nor do we really care. We are more curious about the odd choice of flannel shirts.

Seriously, we are curious who dresses the Olsen Twins when they get up each day. The same person who makes the beds and cleans their toilets?

For supposed celebrity fashion icons, these girls usually look downright ridiculous to us. Check out this photo of Mary-Kate below and see if you agree …

Mary-Kate Olsen debuts her “lumberjack chic” celebrity fashion line.

Yesterday’s celebrity birthday was followed by an engagement, as supermodel Adriana Lima was proposed to by fair-to-poor NBA player Marko Jaric!

We don’t suspect today’s birthday girls - The Olsen Twins! - to get engaged to any sports stars in the next 24 hours, although they have dated some.

Anyway. Happy birthday to the former child stars and current train wrecks, who are 22 today. Do us a favor and eat something for a change!

Here’s a little gallery of Mary-Kate and Ashley Olsen pictures our staff put together in celebration of their special day. Click to enlarge them!

Who’s coming up next? When does your favorite star celebrate another year of not dying? Peep our calendar of celebrity birthdays now and see.

Who needs a necklace when you can wear a baubled band around your hand instead?

That must be what Mary-Kate Olsen and Vanessa Hudgens are thinking in the photos below. What do you think of this new celebrity fashion trend?

And you thought she was a celebrity fashion train wreck already.

The mother ship should be coming soon to retrieve Mary-Kate Olsen, so take a long look and appreciate the former Full House actress while you can.

Soon enough, Mary-Kate - along with her burlap sack, bile-colored bag and that retired Ukrainian socialite’s aerobics headband - will be taken back to her home planet. Let us pause to commemorate this moment in celebrity fashion history.

  Love it or hate it? Tell us what you think of Mary-Kate Olsen’s “style.”

Forget Britney Spears and Amy Winehouse. One celebrity we know and sort of love is withering away to nothing before our eyes. It’s bad, people.

Seriously. Take a look at the photos of Mary-Kate Olsen only a year ago and then last month. Talk about skin and bones! Where did she frickin’ go?!

Granted she was kinda waifish all along, but she at least has some skin color left in the first shot. Man. This girl makes Kate Bosworth look enormous.

Mary-Kate Olsen then and now: thin and thinner. 

The situation may appear dire, but the good news is that Mary-Kate herself can rectify it. We beg of you, Olsen Twin #1, to use some of your vast fortune and do the unthinkable. Eat. Eat some more. Shovel it down. Go back for seconds. Enjoy the American rite of passage and pack on the pounds until you become obese.

Here’s a celebrity fashion showdown where picking the winner may be a bigger challenge than getting one of the celebrities involved to eat dinner.

A fresh-faced Ashley Olsen sported a sleek Calvin Klein jumpsuit to some fashion designer’s show back in 2006, while her twin, Mary-Kate Olsen, wore satin shorts this week to an after party for the new Kate Bosworth movie, 21.

Mary-Kate and Ashley Olsen: Always the pinnacle of celebrity fashion.

You tell us, which of the Olsen Twins wore the outfit better … you can also select “neither” or “I prefer Olsen Twins nude” as options and we will accept them.

You’d think that a man who, despite being born in the Paleozoic Era, gets ridden by a naked Holly Madison on a frequent basis would have standards.

Not the case, at least in regards to his famous magazine. Hugh Hefner reportedly wants naked Mary-Kate and Ashley Olsen to pose for Playboy.

The 81-year-old men’s magazine mogul - who originally asked the twins to model for him when they turned 18 three years ago - but was turned down - hopes the girls will accept his invitation to appear in a June issue.

The Olsen Twins turn 22 on June 13.

A source said: “Hugh Hefner thinks the twins are every young man’s fantasy. But it may not be that easy getting them agree to pose for Playboy. They’re all about high-end fashion these days. They want to do Vogue.”

NOTE TO HUGH: The Olsen Twins are moderately cute on their best days, sort of resemble trolls and dress like grandmothers. Hayden Panettiere, though …

NOTE TO FANS: Speaking of the Olsens, don’t forget to play this week’s new edition of our Caption Contest, featuring the gruesome twosome!

Hef also wants Lindsay Lohan to appear in Playboy and recreate the Marilyn Monroe naked swim from her movie Something’s Got to Give.

A new New York Magazine shoot featuring Lindsay Lohan nude paid homage to the sexual icon Monroe. The racy shoot proved so popular that the magazine’s website crashed under the massive volume of hits.

NOTE: We had a similar problem with that Vanessa Hudgens naked fiasco.

“Now we hear Lindsay is tempted to continue her nude homage to MM,” Liz Smith wrote in the New York Post earlier this week.

“Playboy’s Hugh Hefner has offered the young star the chance to re-create Marilyn’s nude swim from the unfinished film Something’s Got To Give.”

We can only hope, fans of Lindsay Lohan naked. We can only hope.

Welcome back, celeb gossip and Hollywood news readers across the globe, to The Hollywood Gossip Caption Contest, a Friday tradition and fan-favorite.

Who won this version of the contest, featuring the fashion-impaired, increasingly troll-like Olsen Twins? It was a tough call, but we chose Stephanie!

The winning entry appears beneath the photo. Scroll down the page for the full list of replies, and good luck again in this week’s all-new Caption Contest!

Mary-Kate: “Help Ashley my hand is stuck in this position from holding a Starbucks cup for so long.”
Ashley: “Thats okay, your hand is the least of your worries.”