24 août 2022 · Jonathan Knight might be a well-known celebrity, thanks to his stint on 'New Kid on the Block', but his 'Farmhouse fixer' co-star Kristina Crestin is a celebrity in her own right, as well, having been voted as the HGTV's Designer of the Year for 2019. 24 août 2022 · With a keen eye for design, Crestin runs Kristina Crestin Design, a residential interior design firm that handles interior decorating, interior architectural design and more. She is also no stranger to TV, seeing that she was a part of the team of 'This Old House' on Season 37 of the show.