This weekend's annual Tri-City Health and Fitness Expo will feature a variety of vendors, exercise and dance demonstrations and a demonstration kitchen.

The expo also will feature guest speaker LaReine Chabut, who will give an exercise ball demonstration and sign copies of her best-selling books, which include Exercise Balls for Dummies and Core Strength for Dummies, at 2 p.m. Saturday.

The expo is from noon to 8 p.m. Friday and from 10 a.m. to 6 p.m. Saturday at Three Rivers Convention Center, 7016 W. Grandridge Blvd., Kennewick. For more information and a complete schedule of events, go to tricityhealthandfitnessexpo.com.