Meow! Martha Stewart and Kathie Lee Gifford got catty on 'The Martha Stewart Show' (weekdays, syndicated), trading mild insults during a hat-making segment.

"This is when I get so nervous. Do you have any idea how hard it is to stand next to her and not look like a complete idiot?" Gifford asked the audience, while preparing a piece of felt to serve as the base for a hat. Stewart stares briefly at Gifford, then responds to her comment simply by saying, "Oh, well." Gifford laughingly replies that there's "no need to be nasty."

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Katherine Heigl appeared on 'The Martha Stewart Show' (weekdays, syndicated) and talked hair, including her decision to switch from blonde to brunette, and the convenience of wearing wigs as a way to easily change hairstyles.

"I did it about a month ago," Heigl said of trading her blonde locks for a brunette 'do. "And, it's funny, because I still do look in the mirror on occasion and get a little surprised because I still see myself as a blonde. It's been a long time since I've been dark."

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Martha Stewart is known worldwide as a domestic goddess, but after today we can call her the domestic prankster.

On 'The Martha Stewart Show,' (weekdays, syndicated) Jeff Daniels was on the receiving end of many pranks. Orange soda in place of tea? Check. Styrofoam carrots? Check. Edible planks of wood? Check. "The nicest feature of all is that it is edible ... what do you think? Good, right? It has a very nice taste, it sort of tastes like maple syrup ..." We'll have to take your word for it, Martha.

Video after the jump.

During a cooking segment on 'The Martha Stewart Show' (weekdays, syndicated), Martha Stewart embarrasses her nieces by broaching the forbidden subject of a new boyfriend with one and beating flour off the dress of the other. We say they got off easy.

Stewart invites one niece and her new boyfriend out for pierogies. "Can I mention? No? I'm not supposed to mention. Oh God, I always blab," she said, chiding herself for revealing her niece has a new love interest.

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Martha Stewart experienced several mishaps while in the kitchen today with Rob Corddry on 'The Martha Stewart Show' (weekdays, syndicated). During the cooking segment, Stewart splattered grease on herself while frying chicken cutlets and incorrectly set the temperature on her oven. And how did Stewart put a capper on these kitchen misfortunes? She knocked back a beer, of course.

"This is an off day for Martha," Stewart said. "It must be because my banker was here. Oh God, I get nervous around the bankers."

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After discovering that Toni Collette is Australian, Martha Stewart is inspired to play a strange guessing game with the actress on 'The Martha Stewart Show' (weekdays, syndicated).

Stewart asks Collette to guess the name of her favorite actor of all time, who also happens to be an Aussie. "He's the younger of the two most famous Australian actors," Stewart said cryptically, offering Collette one of several unhelpful clues.

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'Twilight' star Peter Facinelli jokes about a manipulated image of Martha Stewart as a vampire, causing her to threaten him with a wooden spoon on 'The Martha Stewart Show' (weekdays, syndicated).

Stewart recalls being disciplined with a wooden spoon as a child and then seemingly begins to argue that modern parents could do the same today. However, she quickly abandons this line of thought. "Well, parents can do ... they can still ... oh, I guess they can't," Stewart said, citing Alex Baldwin as a parent who used questionable techniques and got caught.

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Martha Stewart dished about her relationships with her siblings today on 'The Martha Stewart Show' (weekdays, syndicated), indicating that she's much closer to some than others.

Stewart was in the process of interviewing Amy Sedaris when she indicated there may be tension between she and some of her siblings. Hmm. Is anyone surprised?

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Martha Stewart, breeder?

Stewart and actor Peter Krause talked about their respective farms on 'The Martha Stewart Show' (weekdays, syndicated). Krause has an apple farm in a small town in Northern California while Stewart has a farm with horses, miniature donkeys and "lots and lots of chickens and some geese now."

But there's trouble in paradise: Donkey Billie wants to get pregnant but male donkeys Clive and Rufus have been altered. "So we have to figure out how to do that," Stewart said. "I'm sorry for her," Krause added.

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What a wonderful boss Martha Stewart must be! During a craft segment on 'The Martha Stewart Show' (weekdays, syndicated) with Chandra Wilson, Stewart wished she could throw things at coworkers like Wilson's character repeatedly did on a recent flashback episode of 'Grey's Anatomy.'

"I can't throw anything at anybody. I want to," Stewart complained, noting that doing so would be "legally improper."

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Martha Stewart's assistant Elliot convinces her to buy one of the Emperor Workstations, a $40,000 chair mounted with three monitors, THX 5.1 surround sound, air filtering, light therapy and touchscreen controls, on Wednesday's 'The Martha Stewart Show' (weekdays, syndicated).

It doesn't take much persuasion: Elliott swears he'll work for Stewart on weekends, and Stewart doesn't want to be outdone by the Prince of Dubai, who bought 10, and a Google programmer, who also has one. "It's the ultimate in geekdom," Stewart declares. But what does the Prince of Dubai want with them? Stewart has an idea.

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Bribery can work wonders on correcting a child's behavior, but the story that Martha Stewart shared on 'The Martha Stewart Show' (weekdays, syndicated) seems to go a bit too far. Stewart said she bribed her daughter Alexis with new clothes in order to order to correct her posture, and the final tally after a year was staggering.

"I told her, 'You can buy any clothes you want as long as you stand tall,'" Stewart said when Alexis started to slouch as a teenager. "So, she started to stand really tall, and the first year, the bill was $60,000. It was horrifying."

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While soap stones are definitely more appealing than panty roses, the atmosphere on 'The Martha Stewart Show' (weekdays, syndicated) still managed to turn awkward today. While making the stones with Martha Stewart, Garry Marshall asked if they'd be taking a shower together.

Hey, we can think of worse people to take a shower with than Marshall. At least the 'Valentine's Day' director would make us laugh and maybe even get us an intro to Julia Roberts or Hector Elizondo (not in the shower, though; that could get crowded).

But Stewart and Marshall in a shower together? We're really sorry about that visual. Really.

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Here's a craft idea from 'The Martha Stewart Show' (weekdays, syndicated) that never should have seen the light of day: Martha Stewart teaches an audience member how to make roses out of -- get this -- women's panties.

Stewart attempts to show a husband how to fold underwear to resemble a flower, but the segment goes a bit awry when the man doesn't precisely follow Stewart's instructions, and she learns that his wife isn't necessarily a fans of roses.

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Has there ever been a more perfect pairing than nachos and football? New York Jets safety Kerry Rhodes appeared on 'The Martha Stewart Show' (weekdays, syndicated) and illustrated the ingredients of a plate of nachos on a telestrator.

"We've got the tomatoes running down here to the cheese ... The black beans are fumbling around in the cheese ... Then you have the cheese here that's ... deflecting the jalapeno flavor ... The touchdown is going to be here when you see the happy face at the end," Rhodes said, finishing off his play-by-play by drawing a smiley face over the dish.

Watch the video after the jump.