'21 & Over' Star Skylar Astin's Karaoke Set List

The handsome and charming Skylar Astin pops by the Studio for a chit-chat about his raucous party movie '21 & Over' and also his musical role in 'Pitch Perfect', which leads to a convo about karaoke and Skylar's patented go-to strategy when he's at the mic. We then test his knowledge of A-List film and TV stars who have also done some crooning in their day! Hosted by Nikki Novak (@nikkinovak).

VAMPIRE DIARIES's Star on Car Dancing and Food

Arielle Kebbel shows us her fool proof Car Dance.

Alessandra Ambrosio Shows Off $2.5 Million Bra

Alessandra Ambrosio, this year's lucky lass chosen to sport the amazing Fantasy Bra for the Victoria's Secret Fashion Show, stops by the YH Studio to give us an up-close peek at the blinged-out undergarment itself!

"American Horror Story" Star Sarah Paulson on Ryan Murphy's Psyche

Sarah Paulson visits the Young Hollywood Studio to get the scoop on the uber-creepy second season of the FX hit "American Horror Story: Asylum" plus some interesting insight into series creator Ryan Murphy and her co-stars Jessica Lange and Evan Peters!

Breakfast with "Next Iron Chef" Stars

Food Network's "Next Iron Chef" contenders Eric Greenspan and Marcel Vigneron sit down for a peaceful breakfast at the Four Seasons along with our guest correspondent, "Top Chef Masters" judge Krista Simmons!

"Nashville" Star Trades Aussie Strine for Southern Twang

Aussie singer/actress Clare Bowen hops right off a plane and into the YH Studio to give us the scoop on her role as Scarlett in the hit ABC drama "Nashville" and her experience co-starring (and sometimes dueting) with Sam Palladio and Hayden Panettiere!

'Red Dawn' Star Adrianne Palicki Goes to Movie Boot Camp

All that Wonder Woman training didn't go to waste, as Adrianne Palicki proves when she drops by the YH Studio to talk about her butt-kicking role in the remake of 'Red Dawn'!

"Arrow" Star Willa Holland Declares Love for Bacon & Skateboarding

Willa Holland pays a visit to the YH Studio to tell us all about her role as the hero's troubled sister on The CW's "Arrow", her first regular TV gig since playing another troubled sister (to Mischa Barton) on "The O.C.", and why she recently decided to give up bacon!

TWILIGHT's Cullens Play Vampire, Werewolf, or President!

The cast of Twilight hangs out at the studio.