Julianne Hough 'Couldn't Be More Happy' For Derek Hough & Hayley Erbert's Engagement

Julianne Hough is sharing the love for her brother Derek Hough. The "Dancing with the Stars" alum and Darren Criss spoke out to People ahead of the Tony Awards, which they are set to co-host the pre-show for, and she shared how excited she ist hat her brother and Hayley Erbert are engaged.