"Ugly Betty" star America Ferrara ditches her nerd goggles for a visit and we take an exclusive First Look at smokin' R&B up-and-comer Lloyd!

Today we chat with "In Case of Emergency Star" David Arquette and sexy Texan Paula DeAnda drops by to perform her latest jam. Don't miss it!

We've got High School Musical's Ashley Tisdale via webcam. Also Soulman: Ne-Yo!

Clear your calender! The World Premiere of the latest My Chemical Romance video makes TRL the absolute ONLY place to be. See you there.

Sneak a peek of British hip-pop star Lily Allen's new video, you cheeky monkey you!

LL Cool J brings sexy back to the studio, and take a First Look at the latest from rockers Daughtry and punkettes Meg N' Dia.

"One Tree Hill'' hottie Sophia Bush stops by and sheds a little light on Brooke's corner of the world.

We're giving you a First Look at what's been going on in the life of Amerie.

Carmen Electra heats it up! Plus take a First Look at Pretty Ricky. Speaking of pretty, Alicia Keys and more "Smokin' Aces" drop in.

Catch her if you can! Jennifer Garner chats about her new movie "Catch and Release", and we get a visit from Beauty and the Geek-ers.

Got Daughtry fever? Don't miss Chris as he rocks the studio on Thursday.

It's an Unholy Union when Bam Margera and his fiance drop by the studio.

Spankin' New Music Week is just around the corner so we take a look back at the best performances of Spankin' New Music Week.

We bring you TRL Webcam where we let you speak your mind on the videos and what you like.

Mark your calenders! Spankin' New Music Week: A-List Playlists kicks off Monday, don't miss it!

"Idol" beauty Katharine McPhee gives us a song; Gnarls Barkley unveils a brand new video; Lauren, Heidi, AND Audrina come down from "The Hills" for a visit; we're taking a First Look at what The Game's up to; and Jennifer Lopez, herself, is hittin' us on the hip, if you will.

Hop aboard Infinity Flight 206 with Fall Out Boy! They're here performing live with labelmates-slash BFF's Gym Class Heroes. Plus, Nas stops by with his new video. Hopefully he'll be resurrecting hip-hop.

Watch Lloyd turn it out live. Timbaland and Fergie are in the building with new videos. Ashley Tisdale's stopping by. And Love Angel Music Baby Gwen Stefani's holl'rin' at us via satellite.

The Killers bring their latest video! Plus, it's a full house with Akon, who's gonna be performing and premiering a new video. Hilary Duff's debuting a new video too. And Robin Thicke tops it all off like a sweet cherry on a smooth and sexy banana split.

Good Charlotte drops by with their brand new video. Plus Oscar-toutin' Three 6 Mafia unveils their newest video too. Miley Cyrus is in the house, and the lovely little Lily Allen's gonna spill some sweetness on stage.

Co-hostess and indestructable "Heroes" cheerleader Hayden Panettiere helps us introduce California alt-rockers Augustana!

Watch Damein and the rest of the dudes in the audience sweat as "Desperate Housewives" star Eva Longoria struts her stuff.

Is she dating Zach Braff? Get your gossip straight when Drew Barrymore comes by with her "Music and Lyrics" co-star, Haley Bennett.

The parade of ladies continues when super-hottie Eva Mendes stops by to loosen our jaws and give us a sneak peek at "Ghost Rider".

The usually hilarious Jim Carrey's here to talk about his definitely-not-funny scary new movie, The Number 23. Don't be afraid, Katharine McPhee will be there to keep you safe!

Freeze! Put your hands on your head and step away from the vehicle! The crazy cops of Reno 911 are here! They're gonna lay down the law with co-host Katharine McPhee!

Whether you're a brother or whether you're a mother John Travolta's here! And we take a First Look at what's keeping Rich Boy busy. Katharine will have her hands full today-see how she holds up on her 3rd day co-hosting in a row!

Katharine McPhee will be co-hosting again! What other reason do you need to tune in?

We've got new videos from Mrs. Whibly err Avril Lavigne, plus Timbaland's new one, featuring Justin and Nelly Furtado.

Brace yourself: Jake Gyllenhaal's here to tell us about his freaky film, "Zodiac." And we've got Mims' modest video, "This Is Why I'm Hot."

Things get heavy with Red Jumpsuit Apparatus' intense new video, "Face Down."

You'll heart The Fratellis' "Flathead" video and Young Love's "Find a New Way to Dance." Trust us. We know alot about these things.

Prepare for the royal treatment! Perez Hilton, king of celeb goss, dishes the dirt, and Queen Latifah stops by.

Oh. My. God. Chad. Michael. Murray. Is. Here. Can't. Breathe. Properly. Plus, Perez dishes, and we get a First Look at Relient K.

Damien and Ciara count down the hottest videos. Vote for your fave, and tune it to see how the competition heats up.

Oh, Omarion! The cool-as-ice R n' B baller brings his smooth style to the studio. And Cartel gives us a First Look at their latest.

Rapper Ne-Yo co-hosts, we take a First Look at Joss Stone and Say Anything, and Amy Lee logs onto the show live via webcam.

Ne-Yo co-hosts, Mark Wahlberg increases blood pressure when he stops by, plus get a First Look at Lloyd and Rich Boy.

Clear the runway! Hot new R n' B girl group LAX is coming in for a landing. Chris Rock co-hosts and insures a smooth flight.

Ne-Yo returns for his final co-hosting gig with a First Look at his latest, plus catch up with piano-pop princess Regina Spektor.

It's all 'bout Nelly Furtado, who returns to TRL to perform live with Timbaland and drop the World Premiere of her new video.

Joss Stone's in the house, peep Elliott Yamin soulful new video, plus Fergie and Gym Class Heroes performances from Spring Break.

First Looks fit for a king! Baby Boy Da Prince and Plain White T's show us what's keepin' them busy.

We'll cop to a First Look at Dashboard Confessional and the crunk kids of Crime Mob. Plus sneak a peek at The Academy Is in Cancun.

Hilary Duff is here to co-host all we long, plus we've got a premiere of Vanessa Hudgen's latest video.

Hilary is back for her second day as co-host.

It's day three of Hilary Duff as co-host.

It's Hilary's final day as co-host and be sure to vote her video to number one.