Celeste Thorson (born July 23, 1984) is an American actress, model, screenwriter, and activist. She is best known for her roles on How I Met Your Mother, Jimmy Kimmel Live!, The Exes, Heartbeat and as a host for numerous lifestyle and travel television shows. Thorson has written twenty four episodes of television and several short films. As a model, she has been featured in modeling and commercial campaigns for Reebok, Lady Foot Locker, Yoplait, Sprint, Nissan, Nokia, Samsung, Yahoo!, Body Glove, Toms Shoes, and Paul Mitchell.