KY Derby Festival Zumba Party

Men, women and children dance during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Keisha Gray dances during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Vonda Williams, center, dances on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Zumba instructors perform fancy dance moves during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

LAC instructor Cara Liebert dances in the rain during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Kimberly Jackson, center, dances during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Men, women and children dance during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Zumba instructorTheresa Devine, center, dances on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Zumba instructors perform dance moves on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Zumba instructors perform dance moves on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Zumba instructors perform dance moves on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Vonda Woodmore, center, jokes with fellow instructors after performing on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Tonya Deetch talks to the crowd during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Linda Kitzmann, center, dances during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

From left, Tonya Deetch, Crystal Redmon, Krystal Kettler and Karin Klein perform dance moves on stage during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Oneita Stewart, center, dances during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.

Zumba instructors throughout Kentucky come together to perform a last set during the Kentucky Derby Festival's Zumba Fitness Party at the Waterfront Park in Louisville, Ky. April 23, 2015.