As part of their Cat Week segment, Ellen DeGeneres donned a cat suit to scare members of her cast and crew. Most recently she donned the suit to utterly terrify guest and Modern Family star, Jesse Tyler Ferguson.

"It's a horrible title," said Courtney Cox when Ellen asked her about a possible new title for Cougar Town. As it turns out, the cast and producers wanted a new name, but C-Town and Family Jewels were deemed "too dirty."

How adorable are these two together? The two like-minded women talked about how they take credit for each other's work, what it's like to be gay in Hollywood, and even welcomed Julia Roberts to the lady-lovin' club. Video inside!

Our favorite guidos and guidettes from the Shore dropped by today's episode of Ellen. While they were there, they chatted about Snooki's time in the slammer and how the roommates don't feel too confident in The Situation's dance moves.

Following her big night at last night's VMAs, Lady Gaga—and her controversial meat dress—visited Ellen DeGeneres for today's season premiere. Gaga and DeGeneres discussed "Don't Ask, Don't Tell," the hoopla over the aforementioned dress, and more. Video inside.

For an American Idol finalist, Lee DeWyze sure doesn't know too much about American geography, as evidenced by this video from today's Ellen. DeWyze must have been thinking of that other country that borders Canada... the one that doesn't exist.

Justin Bieber graced Ellen with his presence this afternoon, and—predictably—insanity ensued. From screeching girls, to Bieber's thoughts on Miley Cyrus, to talk of his hair, to a rap solo (really), it was quite a segment. Video highlights inside.

Greyson Chance, the 12-year-old boy who became an overnight Internet sensation thanks to an amateur video of him covering Lady Gaga's "Paparazzi," made his television debut today on Ellen. Inside, video of Greyson's performance, and a surprise call from Gaga!

Imagine that after an accomplished carreer, finally getting a star on Hollywood's Walk of Fame. Now imagine that they've completely spelled your name wrong. Julia Louis-Dreyfus had this nightmare come true, and spoke to Ellen about how it happened.

This youngster here was just a regular kid until his mom saw The Old Spice commerical with looker that is Isaiah Mustafa, which his mom loved. So he decided to reenact it for her birthday.

Her kid insists they look like meatballs but huzbo Dean ensures us they're "very nice." Guess we'll have to find out for ourselves...just remember to turn Google safesearch off.

A typical Aziz Ansari talk-show appearance almost always contains the following three parts: 1) Discussion of his sitcom Parks and Recreation, 2) mention of his stand up comedy career and 3) jokes about his cousins Harris and Darwish.

DWTS stars Chad Ochocinco and Cheryl Burke kiss after Ellen pretty much makes them admit to dating. Possibly because he bought her a $10,000 diamond ring and took her to McDonalds. But they're not going to label it.

This family was doing great at naming facts about Ellen Degeneres...until it was dad's turn.

Ellen had a great idea for a laugh at the expense of her assistant. It's Spring Break, so let's braid his leg hair! Oh! It hurts? But it's for the greater comedy good! Right? This poor guy actually whimpers!

After talking about her hilarious Ambien-induced tweeting problems, Kristin Chenoweth completed an obstacle course of horror movies to show Hollywood that she is ready for her first big role as a scream queen.

It's safe to say that Betty White is probably the funniest woman in comedy right now—especially of the octogenarian set. But can Ellen DeGeneres make her laugh? Today on Ellen, White's stoicism gets put to the test.

Ellen showcases many internet marvels and today was no exception. Here's "Crystals Wings," a small-town Irish group. We have to wonder about the boy who sings alongside his mother and sister about drinking Tequila and talking dirty in Spanish, though...

Eight-year-old Austin knows his presidents. He's wearing a shirt that proclaims the Martin Van Buren is his homeboy, because, as he says, "I'm eight and he's the eighth president, so he's my homeboy."

It seems that Cougar Town is actually fueling Courtney Cox's man-eating delusions. Today on Ellen, Cox revealed that she's courting Zac Efron to appear on her ABC show. And even though she realizes it's a stretch, it won't stop her.