David's daughters Erin and Sara open up on their father's relationship with "Scorpion" actress Katharine McPhee. Hear what they say about the budding romance. Subscribe: http://eonli.ne/RedCarpetSubscribe About E! Live from the Red Carpet: Who’s wearing what? Who’s dating who? We’re here to find out. Join E! Live from the Red Carpet at the Oscars, the Grammys, the Golden Globes, and more. Our correspondents are on the Red Carpet, ready to get the scoop from your favorite stars, musicians and personalities. Whether at a glamorous awards show, or the premiere of your favorite TV series, E! Live from the Red Carpet is the go to source for the latest beauty trends, the hottest red carpet fashion and exclusive celebrity interviews. Connect with E! Live from the Red Carpet and E! News: Visit the E! News WEBSITE: http://eonli.ne/enews Follow E! Live from the Red Carpet on TWITTER: http://eonli.ne/RedCarpetTwitter Follow E! News on TWITTER: http://eonli.ne/ENewsTW Like E! News on FACEBOOK: http://eonli.ne/ENewsFB Check out E! News on INSTAGRAM: http://eonli.ne/ENewsIG Erin and Sara Foster "Happy" For Dad David Foster & Katharine | E! Live from the Red Carpet https://www.youtube.com/channel/UCD-1jAmL42qnEszozefaa1g