Katharine McPhee Does 'Fallon', Megan Hilty Films 'Smash'

Katharine McPhee is all smiles as she makes an appearance on Late Night with Jimmy Fallon on Monday (February 4) in New York City.

On the show, the 28-year-old Smash actress did her interview next to fellow guest Russell Brand, who showed his infatuation for the young star! Check out the beginning of the interview below.

PHOTOS: Check out the latest pics of Katharine McPhee

The day before, Katharine‘s co-star Megan Hilty was spotted on set filming scenes for Smash in New York City.

FYI: Katharine is wearing the Elizabeth and James Amalia Skirt and the Beckley By Melissa leather bolero jacket.

10+ pictures inside of Katharine McPhee and Megan Hilty, and part two of Katharine‘s interview…